x, _n, _m = gets.split.map(&:to_i)
a = gets.split.map(&:to_i)
b = gets.split.map(&:to_i)

cond1 = a.member?(x)
cond2 = b.member?(x)

if cond1 && !cond2
  puts :MrMax
elsif !cond1 && cond2
  puts :MaxValu
elsif cond1 && cond2
  puts :MrMaxValu
else
  puts -1
end