import sys





def solve():

    readline = sys.stdin.buffer.readline

    mod = 10 ** 9 + 7

    n, a, b = list(map(int, readline().split()))

    print(("Alice" if abs(a - b) % 2 == 0 else "Borys"))





if __name__ == '__main__':

    solve()

import sys





def solve():

    readline = sys.stdin.buffer.readline

    mod = 10 ** 9 + 7

    n, a, b = list(map(int, readline().split()))

    if (abs(a - b) - 1) % 2 != 0:

        print("Alice")

    else:

        print("Borys")





if __name__ == '__main__':

    solve()

import sys


def solve():
    readline = sys.stdin.buffer.readline
    mod = 10**9 + 7
    n, a, b = list(map(int, readline().split()))
    print(("Alice" if abs(a - b) % 2 == 0 else "Borys"))


if __name__ == "__main__":
    solve()

import sys


def solve():
    readline = sys.stdin.buffer.readline
    mod = 10**9 + 7
    n, a, b = list(map(int, readline().split()))
    if (abs(a - b) - 1) % 2 != 0:
        print("Alice")
    else:
        print("Borys")


if __name__ == "__main__":
    solve()

-    print(("Alice" if abs(a - b) % 2 == 0 else "Borys")) +    if (abs(a - b) - 1) % 2 != 0: +        print("Alice") +    else: +        print("Borys")