为什么此时没方法输出c的值？

Question

#include<stdio.h>
int main()
{
    int a,b;
    scanf("%d%d",a,b);
    int c;
    c=a%b;
    printf("%d",c);
    return 0;
     
 } 

Answer 1

scanf("%d%d",a,b)改成scanf("%d%d",&a,&b)