# -*- coding: utf-8 -*-
"""
Created on Tue Sep 15 10:18:36 2020

@author: Sim
"""
# calculate1.py
kk = int(input("몇단이 필요하세요? 단입력: "))

print("구구단 ", kk, "단입니다.")
for i in range(1, 10):
    ans = kk * i
    print(kk, " x ", i, " = ", ans)