Increment Integer Evenly 'N' Times Starting At Zero

IncrementInteger.py

#!/usr/bin/env python

import sys

N = int(input("Enter an integer: "))

if N == 0:
    sys.exit()


if N < 0:
    print("Number must be positive!")
    sys.exit()
    
eveninteger = 0
loop = 0

while loop < N:
    print(eveninteger)
    eveninteger = eveninteger + 2
    loop = loop + 1
    

sys.exit