View Compilation Error

0_0_30444339_26047.cpp: In function 'long long int quick_mod(long long int, long long int, long long int)':
0_0_30444339_26047.cpp:28:13: error: expected statement at end of input
     while (m)
             ^
0_0_30444339_26047.cpp:28:13: error: expected '}' at end of input