# Write a program called age.rb that asks a user how old they are and then 
# tells them how old they will be in 10, 20, 30 and 40 years. Below is the 
# output for someone 20 years old.

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

puts "In 10 years you will be: \n#{user_age + 10}"
puts "In 20 years you will be: \n#{user_age + 20}"
puts "In 30 years you will be: \n#{user_age + 30}"
puts "In 40 years you will be: \n#{user_age + 40}"