#include <bits/stdc++.h>
using namespace std;
char zh(int a) {
    return a - 1 + 'A';
}
int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    std::cout.tie(nullptr);
    std::vector<int> v1 = {23, 26, 25}, v2 = {9, 19}, v3 = {19, 2};
    for (int i = 0; i < 3; i++) {
        std::cout << zh(v1[i]);
    }
    std::cout << " ";
    for (int i = 0; i < 2; i++) {
        std::cout << zh(v2[i]);
    }
    std::cout << " ";
    for (int i = 0; i < 2; i++) {
        std::cout << zh(v3[i]);
    }
    return 0;
}