# INPUT NUMBER OF ODD NUMBERS
def print_error_messages():
print("Invalid number, please enter a Non-negative number!")
exit()
try:
n = int(input("Amount: "))
except ValueError:
print_error_messages()
start = 1
if n < 0:
print_error_messages()
for i in range(n):
if n == 0:
start += 2 # increases the value of start by 2 to get to the next even number
print(start) # prints 0 first as it is an even number
start += 2 # increases the value of start by 2 to get to the next even number
elif n % 2 == 0:
print(start)