Baekjoon #20154

#include<bits/stdc++.h>

using namespace std;

const int cnt[] = {3,2,1,2,3,3,3,3,1,1,3,1,3,3,1,2,2,2,1,2,1,1,2,2,2,1};
int arr[1000001];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    string S; cin >> S;
    for(int i = 0; i < S.size(); ++i) {
        arr[i] = cnt[S[i] - 'A'];
    }

    int N = S.size();
    while(N != 1) {
        for(int i = 1; i < N; ++i) {
            arr[i / 2] += arr[i];
            arr[i / 2] %= 10;
            arr[i] = 0;
        }
        N = (N + 1) / 2;
    }
    if(arr[0] % 2 == 0) {
        cout << "You're the winner?";
    }
    else {
        cout << "I'm a winner!";
    }

    return 0;
}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
	static int[] num = {3, 2, 1, 2, 3, 3, 3, 3, 1, 1, 3, 1, 3, 3, 1, 2, 2, 2, 1, 2, 1, 1, 2, 2, 2, 1};
	public static void main(String[] args) throws IOException{
		FastReader rd = new FastReader();
		
		int n = 0;
		for(char ch : rd.nextLine().toCharArray()) {
			n += num[ch - 'A'];
			if(n > 9) {
				n %= 10;
			}
		}
		System.out.print(n % 2 == 1 ? "I'm a winner!" : "You're the winner?");
	}
	static class FastReader {
        BufferedReader br;
        StringTokenizer st;

        public FastReader() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String next() {
            while(st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                }
                catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        int nextInt() { return Integer.parseInt(next()); }
        long nextLong() { return Long.parseLong(next()); }
        double nextDouble() { return Double.parseDouble(next()); }
        String nextLine() {
            String str = "";
            try {
                str = br.readLine();
            }
            catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }
}

import sys

def input():
    return sys.stdin.readline().rstrip()

DB = [3, 2, 1, 2, 3, 3, 3, 3, 1, 1, 3, 1, 3, 3, 1, 2, 2, 2, 1, 2, 1, 1, 2, 2, 2, 1]
dic = {}
for idx, data in enumerate(DB):
    dic[chr(idx+65)] = DB[idx] # 'A' : 65

total = 0
a = input()
for i in a:
    total += dic[i]
total = total % 10
if total % 2 == 1:
    print("I'm a winner!")
else:
    print("You're the winner?")