View Compilation Error

0_0_20511127_3972.cpp: In function 'int main()':
0_0_20511127_3972.cpp:13:47: error: expected statement at end of input
     while(scanf("%d%d",&n,&m)!=EOF&&n!=0||m!=0)
                                               ^
0_0_20511127_3972.cpp:13:47: error: expected '}' at end of input