[(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),(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)]
