
while line = gets
line = line.chomp.to_f

  if line <= 48.0
    puts "light fly"
    elsif line > 48.0 && line <= 51.0
    puts "fly"
    elsif line > 51.0 && line <= 54.0
    puts "bantam"
    elsif line > 54.0 && line <= 57.0
    puts "feather"
    elsif line > 57.0 && line <= 60.0
    puts "light"
    elsif line > 60.0 && line <= 64.0
    puts "light welter"
    elsif line >64.0 && line <= 69.0
    puts "welter"
    elsif line > 69.0 && line <= 75.0
    puts "light middle"
    elsif line > 75.0 && line <= 81.0
    puts "middle"
    elsif line > 81.0 && line <= 91.0
    puts "light heavy"
    else
    puts "heavy"
  end
end
