X, N, M = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
if A.__contains__(X) and B.__contains__(X):
  print("MrMaxValu")
elif not A.__contains__(X) and not B.__contains__(X):
  print(-1)
else:
  if A.__contains__(X):
    print("MrMax")
  else:
    print("MaxValu")