x,n,m = map(int,input().split())
a = list(map(int,input().split()))
b = list(map(int,input().split()))
flag_a = 0
flag_b = 0
for i in range(n):
    if x == a[i]:
        flag_a = 1
for i in range(m):
    if x == b[i]:
        flag_b = 1
if flag_a == 1 and flag_b == 0:
    print("MrMaxValu")
elif flag_a == 0 and flag_b == 1:
    print("MaxValu")
elif flag_a == 1 and flag_b == 1:
    print("MrMaxValu")
else:
    print("-1")