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