Submission

Score: 100

User: kakcode

Problemset: คิดถึงแม่

Language: cpp

Time: 0.002 second

Submitted On: 2025-11-12 21:58:03

/*
TASK: c1_bkk67_4
LANG: C++
AUTHOR: ICE
*/
#include <bits/stdc++.h>
using ll = long long;
#define forr(i, a, n) for (int i = a; i < n; i++)
const ll inf = 10e9;
#define int ll
using namespace std;
using pii = pair<int,int>;
signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int d;
    cin >> d;
    if(d-1 == 0)cout << '7';
    else cout << d-1;
    return 0;
}