View Compilation Error

0_0_17160925_28614.cpp:2:11: error: '::main' must return 'int'
 void main()
           ^
0_0_17160925_28614.cpp: In function 'int main()':
0_0_17160925_28614.cpp:11:22: error: expected '}' at end of input
  printf("%d\n",sum); }
                      ^