[(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),(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)]
