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