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