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