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

W = ''
O = ''

for i in A:
    if i == X:
        W = 'MrMax'



for k in B:
    if k == X:
        O = 'MaxValu'

if W == 'MrMax' and O == 'MaxValu':
    print('MrMaxValu')
elif W == 'MrMax' and O != 'MaxValu':
    print('MrMax')
elif W != 'MrMax' and O == 'MaxValu':
    print('MaxValu')
else:
    print(-1)