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