View Compilation Error

0_0_36373334_15677.c: In function 'main':
0_0_36373334_15677.c:6:5: error: expected expression before '/' token
     //cout<<getMG(34012226)<<endl;
     ^
0_0_36373334_15677.c:7:1: error: expected expression before '/' token
 //    for(int i = 0; i < 6000; i++){
 ^
0_0_36373334_15677.c:14:23: error: 'num' undeclared (first use in this function)
     while(scanf("%d",&num) != EOF){
                       ^
0_0_36373334_15677.c:14:23: note: each undeclared identifier is reported only once for each function it appears in