#include<stdio.h>
void main()
{
        int i,j,k,n;
        while(n>100&&n<1000)
        {
        {i=n/100;
          j=(n/10)%10;
          k=n-100*i-j*10;}
        if(i+j==k)
            printf("%d%d%d%d\n",i,j,k,n);
        }
}

谢谢大家