新人求助(不简单的scanf)

#include<stdio.h>
int main()
{
    short a=0,i=1;
    int total=6;
    printf("The number of people:\n");
    scanf("%d",&a);    //在这一步后total变成了0
    for(;i<a;i++)
    {
        total=total*5+1;
    }
    printf("Total is %d\n",total);
    return 0;
}
请大佬解答，谢谢大佬

[此贴子已经被作者于2020-10-11 09:49编辑过]