Here is my source!

#include <stdio.h>
#include <io.h>
int main(){
char ch;
int sumall=0;
while (!feof(stdin)) {scanf("%c",&ch); if (feof(stdin))
break;sumall+=ch-48;}
//printf("s=%d",sumall);
printf("%d\n",(sumall%3==0)+1);
if (sumall%3) printf("%d",sumall%3);
return 0;
}

Thanks!!!!

> Here is my source!
>
> #include <stdio.h>
> #include <io.h>
> int main(){
> char ch;
> int sumall=0;
> while (!feof(stdin)) {scanf("%c",&ch); if (feof(stdin))
> break;sumall+=ch-48;}
> //printf("s=%d",sumall);
> printf("%d\n",(sumall%3==0)+1);
> if (sumall%3) printf("%d",sumall%3);
> return 0;
> }
>
> Thanks!!!!