3222. Find the Winning Player in Coin Game

class Solution {
public:
    string losingPlayer(int x, int y)
    {
        int cnt = 0;
        while (x > 0 && y > 3)
        {
            x -= 1;
            y -= 4;
            ++cnt;
        }
        return cnt % 2 == 1 ? "Alice" : "Bob";
    }
};

• T: $O(n)$
• S: $O(1)$