local x, n, m = io.read("*n", "*n", "*n")
local f = 0
for i = 1, n do
  if x == io.read("*n") then f = f + 1 end
end
for i = 1, m do
  if x == io.read("*n") then f = f + 2 end
end
if f == 0 then
  print(-1)
elseif f == 1 then
  print("MrMax")
elseif f == 2 then
  print("MaxValu")
else
  print("MrMaxValu")
end