백준 2490

백준 2490
윷놀이

#include<iostream>

int main()
{
    int cnt = 0;
    int a, b, c, d;

    for (int j = 0; j < 3; j++)
    {
        (std::cin >> a>> b>> c>> d);
        cnt = a + b + c + d;
        switch (cnt)
        {
            case 0: std::cout << 'D'; break;
            case 1: std::cout << 'C'; break;
            case 2: std::cout << 'B'; break;
            case 3: std::cout << 'A'; break;
            case 4: std::cout << 'E'; break;
        }
        std::cout << std::endl;
    }


}