# 1.
# a = int(input("숫자를 입력해주세요 : "))
#
# for i in range(1, 10):
#     print(a, "*", i, "=", a*i)


# 2.
# a = int(input("첫번째 숫자를 입력해주세요 : "))
# b = int(input("두번째 숫자를 입력해주세요 : "))
#
# print(a+b)


# 3.
# a = int(input("숫자를 입력해주세요 : "))
#
# x = 0
# for i in range(1, a+1):
#     x = x + i
# print(x)


# 4.
# a = int(input("숫자를 입력해주세요 : "))
#
# x = 0
# for i in range(1, a+1):
#     print(i)


# 5.
# a = int(input("숫자를 입력해주세요 : "))
#
# for i in range(a, 0, -1):
#     print(i)


# 6.
# a = int(input("숫자를 입력해주세요 : "))
#
# for i in range(1, a+1):
#     print("*"*i)


# 7.
# a = int(input("숫자를 입력해주세요 : "))
#
# for i in range(1, a+1):
#     print(" "*(a-i) + "*"*i)