运动会开了N天，一共发出金牌M枚。第一天发金牌1枚加剩下的七分之一枚，第二天发金牌2枚加剩下的七分之一枚，第3天发金牌3枚加剩下的七分之一枚，以后每天都照此办理。到了第N天刚好还有金牌N枚，到此金牌全部发完。编程求N和M。-The Games opened a N days, issued a total of gold medals M missiles. The first day of hair gold medal-sevenths of a 1 plus the rest of the next day, hair-sevenths of a gold medal in the two plus the rest of the first three days of three plus the rest of the gold medal-sevenths of a future every day to do the same. To N days just there the gold medal, N pieces of this gold medal is all finished. Programming request N and M.