'''
Task
The provided code stub reads and integer, n, from STDIN. For all non-negative integers i<n, print i**2.

Example
n=3
The list of non-negative integers that are less than n=3 is [0,1,2]. Print the square of each number on a separate line.
'''

if __name__=='__main__':
    n=int(input())

    for i in range(n):
        print(i**2)