A ruby program to find Happy and Sad Numbers

Happy or Sad Number.rb

# method for finding happy or sad number
def happy_or_sad(input)
  result = 0 
  repeated_number = Hash.new();
  
  while(!repeated_number.has_key?(input))
    temp = 0
    repeated_number[input] = 0
    input.each do |i|
      temp = temp + (i.to_i * i.to_i)
    end
    input = temp.to_s.split('')
    result = temp
  end
  result == 1 ? "happy" : "sad"
end

# Getting input
print "Enter the number: "
input = gets.split('')
# Calling the method
happy_or_sad(input)