View Compilation Error

0_0_18619027_23027.cpp:2:11: error: '::main' must return 'int'
 void main()
           ^
0_0_18619027_23027.cpp: In function 'int main()':
0_0_18619027_23027.cpp:5:3: error: expected initializer before 'printf'
   printf("d%+d%=d%,a,b,c;")
   ^
0_0_18619027_23027.cpp:5:27: error: expected '}' at end of input
   printf("d%+d%=d%,a,b,c;")
                           ^