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