SWEA 1936. 1대1 가위바위보

https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5PjKXKALcDFAUq

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풀이

a, b = map(int,input().split())

if a == 3:
    if b == 2:
        print('A')
    else:
        print('B')
elif a == 2:
    if b == 1:
        print('A')
    else:
        print('B')
else:
    if b == 2:
        print('A')
    else:
        print('B')