#include <stdio.h>
int main()
{
    int a = 0, b = 0;
    printf("input two numbers:");
    while(scanf("%d%d",&a,&b)!=EOF)
    if(a != 0) b != 0;
        printf("%d\n", a + b);

    else
        ;
    return 0;
}
顺便我是想如果输入两个0的话就什么都不输出，小弟畜舍C语言，求解答