HB-SXXXXX
    ├── club.cpp
    ├── employ.cpp
    ├── replace.cpp
    └── road.cpp

// Ciallo～(∠・ω< )⌒★
// 我是神秘柚子厨
// 我是神秘白玉厨
// 我是神秘FP
// 我是神秘叠比
// 我是神秘sensei
// 我是神秘T7大肘子
// 我要玩樱花摸鱼FD
// CSP-S2025RP++

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;

#define be begin
#define ed end
#define fi first
#define se second
#define ls(p) (p << 1)
#define rs(p) (p << 1 | 1)

const int MOD = 1e9 + 7;
const int INF = 0x3f3f3f3f;
const ll LLINF = 0x3f3f3f3f3f3f3f3f;

const int N = 1e5 + 6;

inline ll read() {
    ll res = 0, f = 1;
    char ch = getchar();
    
    while (!isdigit(ch)) {
        if (ch == '-') f = -1;
        ch = getchar();
    }
    
    while (isdigit(ch)) {
        res = res * 10 + ch - '0';
        ch = getchar();
    }
    
    return res;
}

inline void out(ll x) {
    if (x < 0) {
        putchar('-');
        x = -x;
    }
    
    if (x < 9) {
        putchar('0' + x);
    } else {
        out(x / 10);
        putchar('0' + x % 10);
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    return 0;
}