"""
Recommended Python Style Guide:
https://peps.python.org/pep-0008/#introduction
"""

"""
Print n odd numbers in decreasing order.
If input n is positive, print the first n positive odd numbers;
If input n is negative, print the first n negative odd numbers.
"""

# The line below takes a string input and returns an integer.
# If the string contains a minus character (sign), the returned number is negative.
n = int(input("Enter n: "))

if n > 0:
    for i in range(2*n - 1, 0, -2):
        print(i, end=" ")
elif n < 0:
    n = -n
    for i in range(1, 2*n, 2):
        print(-i, end=" ")