#!/usr/local/bin/ruby -w

f, s = gets.split(" ").map(&:to_i)

if f%2==0 || s%2!=0
  puts   "yes"
else
  puts  "no"
end



What is wrong?

I'm unfortunately not know Ruby, but in my opinion
f, s = gets.split("\n").map(&:to_i) because second code written at new line.