ruby_백준_9498 시험 성적

https://www.acmicpc.net/problem/9498 시험 성적

def Q_9498()
  jumsu = gets.chomp.to_i

  if jumsu >= 90
    puts "A"
  elsif jumsu >= 80
    puts "B"
  elsif jumsu >= 70
    puts "C"
  elsif jumsu >= 60
    puts "D"
  else
    puts "F"
  end
end

Q_9498()