#include<stdio.h>
int main()
{
int a, b, sum;
printf("please input two num!\n");
scanf("%d,%d",&a,&b);
sum = a+b;
printf("sum is %d\n",sum);
return 0;
}
#include<stdio.h>
int main()
{
int a, b, sum;
printf("please input two num!\n");
scanf("%d,%d",&a,&b);
sum = a+b;
printf("sum is %d\n",sum);
return 0;
}