[SWEA][JAVA] 1936. 1대1 가위바위보

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;
 
 
class Solution {
        
    private static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    private static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
    
    public static void main(String[] args) throws IOException {
        StringTokenizer stk = new StringTokenizer(br.readLine()," ");
        int A = Integer.parseInt(stk.nextToken());
        int B = Integer.parseInt(stk.nextToken());
        
        if(A>B) bw.write("A");
        else bw.write("B");
        
        bw.flush();
        
    }
}