View Compilation Error

1_868_5371_31240.cpp: In function 'int main()':
1_868_5371_31240.cpp:8:21: error: expected ';' before numeric constant
  while(cin>>n>>m){1 1
                     ^
1_868_5371_31240.cpp:9:18: error: 'i' was not declared in this scope
   for(int i = 1; i <= 5000; i++){
                  ^