#!/usr/bin/python3

# Accept a positive integer n.
# Print the first n perfect squares starting with 1(eg. 1, 4, 9, 25, 49, 100 .. etc.)
# Each number should be printed on one line

n = int(input())

for i in range(1,n+1):
    # Perfect square is i * i or i^2
    print(i**2)
    # print(i*i)