#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
typedef pair<int, int> PII;
typedef pair<LL, LL> PLL;



int main(){
    char c;
    cout << "逢七必过小游戏" << endl;
    cout << "输入y开始 输入n退出: " << endl;
    cin >> c;

    if (c == 'y'){
        int n;
        while (1){
            cout << "请输入1-100的整数: " << endl;
            cin >> n;
            if (n > 100 || n < 1){
                cout << "请输入正确的数字" << endl;
                cout << "---------------------------" << endl;
                continue;
            }
            else if (n % 7 == 0 || n % 10 == 7 || n % 10 == 7){
                cout << "游戏结束, 请重新开始 大傻子" << endl;
                cout << "---------------------------";
                continue;
            }
            else{
                for (int i = n; i <= 100; i++){
                    if (i % 7 == 0 || i % 10 == 7 || i % 10 == 7)
                        cout << i << endl;
                    else cout << "PASS" << endl;
                }
            }
            break;
        }
    }
    else if (c == 'n'){
        cout << "退出成功" << endl;
    }
    return 0;
}