#include<stdio.h>
void main()
{
    int s0,s1,s2,x;
    s0=s1=s2=0;
    printf("从键盘输入一组整数(以-1结束）;\n");
    scand("%d",&x);
    while(x! =-1){
        switch(x%3){
         case 0;0=x;break;
         case 1;1+=x;break;
         case 2;s2+=x;break;
        }
        scanf("%d",&x);
    }
    printf("s0=%d,s1=%d,s2=%d\n",so,s1,s2);
}