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