[(0,1),(0,2),(1,2),(2,3),(1,3),(3,4),(4,5),(5,6),(5,7),(6,8),(7,9),(7,10),(10,11),(8,11),(11,12),(8,12),(10,13),(9,14),(13,15),(14,15),(9,16),(16,17),(16,18),(15,19),(4,20),(20,21),(13,21),(18,22),(22,23),(19,23),(22,24),(18,25),(21,25),(6,26),(23,27),(26,28),(24,28),(28,29),(24,29),(29,30),(20,31),(30,31),(25,32),(30,33),(31,34),(32,34),(17,35),(19,35),(33,36),(32,37),(34,38),(17,38),(36,39),(27,39),(38,40),(37,41),(40,42),(41,42),(41,43),(43,44),(27,44),(43,45),(26,45),(33,46),(37,47),(47,48),(44,48),(45,49),(35,49),(39,50),(12,51),(46,52),(40,52),(50,53),(42,54),(53,54),(46,55),(47,56),(56,57),(54,57),(55,58),(48,59),(55,60),(14,61),(36,61),(49,62),(57,63),(51,63),(62,64),(53,65),(61,66),(63,67),(58,68),(64,69),(66,69),(58,70),(60,71),(65,71),(51,72),(70,73),(66,74),(59,75),(52,75),(72,76),(70,77),(75,77),(64,78),(77,78),(78,79),(73,80),(68,81),(50,81),(72,82),(56,82),(67,83),(79,84),(73,85),(67,86),(74,86),(85,87),(71,88),(86,88),(62,89),(60,90),(89,90),(84,91),(80,91),(69,92),(82,92),(68,93),(84,94),(89,94),(59,95),(94,95),(87,96),(79,97),(83,98),(91,99),(90,100),(97,101),(95,102),(93,102),(76,103),(76,104),(101,105),(98,106),(96,106),(98,107),(100,108),(96,108),(74,109),(108,110),(99,111),(107,111),(106,112),(110,113),(104,113),(111,114),(83,114),(101,115),(85,116),(112,117),(102,118),(105,119),(112,120),(93,121),(103,122),(117,123),(122,124),(113,124),(121,125),(122,126),(119,126),(92,127),(127,128),(100,129),(115,129),(88,130),(129,131),(103,131),(118,132),(124,133),(120,134),(114,135),(117,136),(97,137),(120,138),(109,139),(80,139),(118,140),(109,141),(140,142),(121,142),(138,143),(143,144),(128,145),(142,146),(128,147),(141,148),(146,149),(148,150),(116,151),(149,152),(148,152),(99,153),(149,153),(136,154),(104,155),(135,156),(132,157),(156,158),(153,158),(155,159),(151,160),(125,161),(143,162),(135,162),(87,163),(160,163),(126,164),(150,165),(144,166),(164,166),(133,167),(105,168),(157,169),(145,170),(155,171),(167,171),(158,172),(160,172),(169,173),(171,173),(169,174),(138,175),(130,175),(174,176),(152,176),(172,177),(159,178),(139,178),(163,179),(164,180),(178,181),(137,182),(168,182),(123,183),(125,184),(165,185),(145,185),(185,186),(186,187),(159,188),(147,189),(183,189),(140,190),(188,191),(115,192),(157,193),(182,194),(81,195),(193,196),(127,197),(191,198),(132,198),(136,199),(197,199),(196,200),(150,200),(119,201),(192,202),(110,203),(130,204),(202,205),(151,206),(194,207),(206,208),(204,208),(176,209),(146,209),(174,210),(210,211),(187,211),(166,212),(180,213),(161,214),(65,214),(162,215),(179,216),(156,217),(199,218),(107,218),(167,219),(209,219),(184,220),(177,220),(147,221),(191,221),(181,222),(133,222),(219,223),(215,224),(223,225),(188,226),(137,226),(225,227),(196,228),(123,229),(227,230),(213,231),(206,232),(229,233),(211,233),(170,234),(179,234),(207,235),(207,236),(236,237),(173,238),(212,238),(205,239),(141,240),(227,241),(229,242),(231,243),(193,244),(213,245),(134,245),(187,246),(240,247),(220,248),(186,249),(203,250),(215,251),(247,252),(189,253),(231,254),(253,254),(250,255),(217,256),(200,257),(208,257),(249,258),(202,259),(216,259),(218,260),(233,261),(237,261),(194,262),(168,262),(230,263),(165,263),(237,264),(243,265),(144,265),(226,266),(242,267),(195,267),(131,268),(203,269),(255,269),(225,270),(251,271),(190,272),(258,273),(248,273),(246,274),(232,275),(216,276),(275,277),(201,278),(265,278),(241,279),(234,280),(240,281),(177,282),(198,283),(262,284),(260,284),(252,285),(281,285),(280,286),(266,286),(264,287),(266,288),(195,289),(271,289),(249,290),(235,291),(205,292),(175,292),(274,293),(254,293),(292,294),(228,295),(221,296),(184,297),(276,298),(282,299),(250,300),(276,301),(251,302),(214,303),(288,304),(288,305),(247,306),(223,307),(230,308),(192,309),(252,310),(228,311),(201,312),(290,313),(161,314),(236,315),(260,316),(239,317),(256,318),(277,319),(204,320),(296,321),(197,322),(284,323),(190,324),(248,325),(246,326),(259,327),(264,328),(258,329),(224,330),(297,331),(296,332),(232,333),(256,334),(239,335),(287,336),(281,337),(283,338),(282,339),(217,340),(244,341),(134,342),(180,343),(289,344),(297,345),(283,346),(253,347),(255,348),(270,349),(272,350),(238,351),(272,352),(286,353),(291,354),(291,355),(295,356),(268,357),(290,358),(267,359),(293,360),(244,361),(298,362),(279,363),(295,364),(271,365),(242,366),(273,367),(241,368),(274,369),(243,370),(287,371),(270,372),(268,373),(298,374),(285,375),(257,376),(210,377),(183,378),(269,379),(280,380),(261,381),(222,382),(245,383),(116,384),(277,385),(224,386),(294,387),(212,388),(275,389),(278,390),(154,391),(154,392),(294,393),(181,394),(170,395),(235,396),(263,397),(279,398)]
[(0,1),(1,2),(0,2),(2,3),(1,3),(3,4),(4,5),(5,6),(4,6),(5,7),(6,7),(7,8),(8,9),(8,10),(9,11),(11,12),(11,13),(12,13),(13,14),(14,15),(15,16),(16,17),(10,17),(10,18),(9,19),(12,20),(20,21),(15,22),(21,23),(20,24),(23,25),(17,25),(19,26),(16,26),(18,27),(18,28),(21,29),(27,30),(19,31),(30,32),(28,33),(22,33),(26,34),(22,35),(33,35),(24,36),(24,37),(32,37),(31,38),(29,39),(23,40),(25,41),(37,41),(34,42),(34,43),(32,43),(30,44),(43,45),(40,46),(45,47),(44,48),(47,49),(31,49),(47,50),(46,50),(14,51),(35,52),(51,52),(42,53),(49,53),(29,54),(46,55),(54,55),(27,56),(54,56),(39,57),(36,58),(48,59),(55,59),(28,60),(57,61),(38,62),(45,63),(48,63),(41,64),(60,65),(51,65),(63,66),(64,67),(40,68),(61,69),(59,70),(65,71),(67,71),(53,72),(42,73),(62,73),(72,74),(70,75),(74,75),(68,76),(72,77),(50,78),(76,79),(70,80),(58,81),(79,81),(60,82),(80,83),(39,84),(83,84),(79,85),(69,85),(68,86),(66,87),(64,88),(38,89),(74,89),(78,90),(56,91),(91,92),(69,93),(85,93),(67,94),(82,95),(88,95),(76,96),(66,96),(96,97),(94,98),(77,99),(98,99),(86,100),(88,101),(89,101),(57,102),(58,103),(78,103),(100,104),(104,105),(102,106),(61,107),(105,107),(87,108),(102,109),(94,109),(106,110),(100,110),(83,111),(98,111),(52,112),(103,113),(95,114),(112,114),(91,115),(97,115),(108,116),(90,117),(106,118),(92,119),(80,120),(44,120),(92,121),(114,122),(101,123),(99,124),(84,125),(110,125),(108,126),(86,126),(111,127),(107,128),(124,128),(126,129),(36,130),(118,131),(122,131),(127,132),(105,133),(127,134),(93,135),(82,135),(113,136),(109,136),(120,137),(137,138),(118,139),(116,140),(121,141),(112,142),(139,143),(81,144),(133,145),(145,146),(87,147),(130,148),(123,149),(130,150),(71,151),(149,152),(119,153),(151,153),(104,154),(152,155),(125,155),(117,156),(154,157),(137,157),(115,158),(75,159),(152,160),(146,160),(151,161),(131,161),(146,162),(162,163),(121,163),(144,164),(122,165),(73,166),(158,166),(77,167),(145,168),(138,168),(135,169),(117,170),(141,170),(150,171),(148,172),(164,173),(141,173),(149,174),(132,175),(134,176),(124,177),(147,177),(177,178),(164,178),(116,179),(156,180),(136,181),(180,182),(129,183),(140,184),(159,185),(97,186),(129,187),(185,187),(140,188),(159,189),(169,189),(176,190),(150,190),(181,191),(175,192),(191,192),(157,193),(181,194),(156,195),(188,196),(132,196),(143,197),(138,198),(171,198),(163,199),(170,200),(172,201),(155,202),(194,202),(133,203),(183,203),(176,204),(202,205),(205,206),(189,206),(142,207),(195,208),(204,208),(197,209),(199,209),(139,210),(184,211),(185,212),(178,212),(210,213),(174,213),(153,214),(171,215),(173,215),(205,216),(213,217),(134,218),(160,219),(209,219),(158,220),(212,221),(113,222),(200,223),(190,224),(90,225),(62,226),(186,227),(223,228),(186,229),(214,229),(229,230),(123,230),(201,231),(223,232),(144,233),(220,234),(219,235),(208,236),(231,237),(236,238),(238,239),(172,239),(182,240),(183,240),(191,241),(142,242),(234,242),(222,243),(195,244),(221,244),(168,245),(222,246),(232,246),(216,247),(179,247),(211,248),(206,248),(241,249),(221,250),(226,251),(180,252),(193,253),(174,253),(249,254),(250,254),(220,255),(253,256),(196,256),(238,257),(235,258),(165,259),(188,260),(215,261),(217,262),(225,263),(143,263),(225,264),(200,264),(204,265),(154,265),(237,266),(262,267),(207,267),(257,268),(217,269),(249,270),(258,271),(166,272),(251,273),(230,274),(274,275),(256,276),(232,277),(265,277),(270,278),(259,278),(187,279),(216,279),(184,280),(268,281),(270,282),(193,283),(259,284),(257,285),(233,286),(255,286),(280,287),(269,287),(233,288),(240,289),(275,289),(279,290),(162,290),(286,291),(236,292),(292,293),(245,294),(288,295),(201,296),(235,296),(245,297),(273,297),(203,298),(293,299),(243,300),(280,301),(282,302),(214,303),(271,304),(261,305),(246,306),(278,307),(165,308),(247,309),(271,310),(224,311),(251,312),(260,313),(169,314),(267,315),(277,316),(239,317),(228,318),(261,319),(281,320),(276,321),(298,322),(244,323),(273,324),(224,325),(254,326),(282,327),(296,328),(290,329),(148,330),(293,331),(198,332),(252,333),(258,334),(292,335),(231,336),(194,337),(295,338),(276,339),(167,340),(248,341),(234,342),(226,343),(255,344),(241,345),(288,346),(275,347),(210,348),(227,349),(237,350),(298,351),(260,352),(192,353),(284,354),(243,355),(263,356),(242,357),(262,358),(287,359),(264,360),(250,361),(218,362),(291,363),(218,364),(285,365),(182,366),(128,367),(294,368),(297,369),(179,370),(295,371),(147,372),(289,373),(211,374),(266,375),(285,376),(197,377),(161,378),(294,379),(281,380),(227,381),(283,382),(207,383),(268,384),(119,385),(284,386),(167,387),(199,388),(266,389),(272,390),(175,391),(274,392),(291,393),(283,394),(228,395),(272,396),(252,397),(269,398)]
