X, N, M = map(int, input().split(' '))

MrMax = map(int, input().split(' '))
MaxValue = map(int, input().split(' '))
MrMax_f = 0
MaxValue_f = 0

for x in MrMax:
    if X == x:
        MrMax_f = 1

for x in MaxValue:
    if X == x:
        MaxValue_f = 1

if MrMax_f == MaxValue_f == 1:
    print("MrMaxValue")
elif MrMax_f == 1:
    print("MrMax")
elif MaxValue_f == 1:
    print("MaxValue")
else:
    print("-1")