import sys; input = sys.stdin.buffer.readline
sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

def getlist():
	return list(map(int, input().split()))

#処理内容
def main():
	X, N, M = getlist()
	A = getlist()
	B = getlist()
	if X in A and X in B:
		print("MrMaxValu")
	elif X in A:
		print("MrMax")
	elif X in B:
		print("MaxValu")
	else:
		print(-1)


if __name__ == '__main__':
	main()