A,B = input().split()
A = int(A)
B = int(B)

def dp(a, b):
    if (a == 1 and b != 0) or b == 1 or a == b or a == 0:
        return "Alice"
    
    elif a == b+1 or b == 0:
        return "Bob"
    
    elif a > b+1:
        return "Alice"
    
    elif a < b:
        return "Bob"
print(dp(A,B))