one=[int(i) for i in input().split()]
two=[int(i) for i in input().split()]
ther=[int(i) for i in input().split()]

fg1=0
fg2=0

for i in range(one[1]):
    if one[0]==two[i]:
        fg1=1

for i in range(one[2]):
    if one[0]==ther[i]:
        fg2=1
    
if fg1==0 and fg2==0:
    print("-1")
elif fg1==1 and fg2==0:
    print("MrMax")
elif fg1==0 and fg2==1:
    print("MaxValu")
else:
    print("MrMaxValu")