content: set numbers_key_codes to {82, 83, 84, 85, 86, 87, 88, 89, 91, 92}
  
  set input to do shell script "pbpaste"
  
  if (input is not missing value) then
  	tell application "System Events"
  		repeat with char in the characters of input
  			try
  				key code numbers_key_codes's item (char + 1)
  			on error
  				keystroke char
  			end try
  		end repeat
  	end tell
  end if