diff --git a/ex13.rb b/ex13.rb
index 49fe1d1..a5e38c6 100644
--- a/ex13.rb
+++ b/ex13.rb
@@ -4,3 +4,6 @@ puts "The script is called: #{$0}"
 puts "Your first variable is: #{first}"
 puts "Your second variable is: #{second}"
 puts "Your third variable is: #{third}"
+
+print "And your fourth is?: "
+puts "That's right, it's #{STDIN.gets.chomp}"