x, _, _ = (gets || "").chomp.split.map { |i| i.to_i }
AS = (gets || "").chomp.split.map { |i| i.to_i }
BS = (gets || "").chomp.split.map { |i| i.to_i }

mr_max = AS.includes?(x)
max_valu = BS.includes?(x)

result = if mr_max && max_valu
           "MrMaxValu"
         elsif mr_max
           "MrMax"
         elsif max_valu
           "MaxValu"
         else
           -1
         end

puts result