View Compilation Error

0_0_33589630_12252.cpp: In function 'int main()':
0_0_33589630_12252.cpp:67:30: error: expected ')' before ';' token
  while(~scanf("%d%d", &m, &n);){
                              ^
0_0_33589630_12252.cpp:67:31: error: expected primary-expression before ')' token
  while(~scanf("%d%d", &m, &n);){
                               ^