# Author:  James Tam
# Version: 2014

# Learning objective: guarantee the execution of a loop by 'priming' a loop
# control (setting it to a value to guarantee the loop's execution at least
# once.
age = -1
while (age < 0):
    print("Type in your age as a whole number: ", end = "")
    age = int(input())
print("You typed in %d"  %age);