输入一个数字 m = int(raw_input())
输入两个数字是 m, n = map(int, raw_input().split())
三个及三个以上类似:
 a, b, c = map(int, raw_input().split())
 a, b, c, d = map(int, raw_input().split())

连续输入,类似while(cin>>)
while true:
    try:
       s=raw_input()
   execpt:
       break;