# age.rb

puts "How old are you?"
age = gets.chomp.to_i

puts "In 10 years you will be #{age + 10} years old"
puts "In 20 years you will be #{age + 20} years old"
puts "In 30 years you will be #{age + 30} years old"
puts "In 40 years you will be #{age + 40} years old"