# Task
# Read an integer . For all non-negative integers , print . See the sample for details.
#
# Input Format
# The first and only line contains the integer, .
#
# Constraints
#
#
# Output Format
# Print  lines, one corresponding to each .
#
# Sample Input 0
# 5

# Sample Output 0
# 0
# 1
# 4
# 9
# 16


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

    for i in range(0, n):
        print( i * i )