#include<stdio.h>
#include"example.h"
void main()
{
    inta,b,c;
    printf("请输入任意三个整数:");
    scanf("%d%d%d",&a,&b,&c);
    printf("求和:%d\n",sum(a,b,c));
    printf("乘积:%d\n",product(a,b,c));
}