#include <bits/stdc++.h>
using namespace std;
int main()
{
    srand(time(0));
    int n;
    cout<<"请输入你最喜欢的数字：";
    cin>>n;
    int a[5]={n};
    a[1]=rand()%a[0];
    a[2]=rand()%a[1];
    a[3]=rand()%a[2];
    a[4]=rand()%a[3];
    a[0]%=a[4];
    int x=a[0]*a[1]*a[2]*a[3]*a[4];
    int y=a[0]+a[1]+a[2]+a[3]+a[4];
    int ans=x%y;
    cout<<ans;
    return 0;
}