Mirrored Pairs

    1#include <bits/stdc++.h>
    2using namespace std;
    3using ll = long long;
    4const int inf = 1e9;
    5const long long INF = 1e17; //❄️
    6int main() {
    7    ios::sync_with_stdio(0); cin.tie(0); 
    8    string s;
    9    getline(cin, s);
    10    cout << "Ready" << '\n';
    11    while (1) {
    12        if (s == "  ") break;
    13        char c = tolower(s[0]), cc = tolower(s[1]);
    14        string k = ""; k += c; k += cc;
    15        if (k == "pq" || k == "qp" || k == "db" || k == "bd") {
    16            cout << "Mirrored pair" << '\n';
    17        } else {
    18            cout << "Ordinary pair" << '\n';
    19        }
    20        getline(cin, s);
    21    }
    22    return 0;
    23}