#include<stdio.h>

void main()
{
        int i=0,n[10]={0};
       
        do {
        printf("Please enter a number:\n");
        scanf("%d",&i);
        if(i>=0&&i<=9)
         {
        if (i!=-1){
                printf("You just enter the number is:%d\n",i);
                switch(i)
                {
                 case 0:n[0]++;break;
                 case 1:n[1]++;break;
                 case 2:n[2]++;break;
                 case 3:n[3]++;break;
                 case 4:n[4]++;break;
                 case 5:n[5]++;break;
                 case 6:n[6]++;break;
                 case 7:n[7]++;break;
                 case 8:n[8]++;break;
                 case 9:n[9]++;break;
                }
                }
           }
        else
         {
          printf("input error!\n");
          }
        }while(i!=-1);
        for(i=0;i<10;i++)
        printf("有%d个%d;\n",n[i],i);
       
}