# 5-3
# list1 = [3, 5, 7]
# list2 = [2, 3, 4, 5, 6]
# s = 0
# for i in range(len(list1)):
# for j in range(len(list2)):
# s = list1[i] * list2[j]
# print(list1[i], '*', list2[j], '=', s)
# 5-4
# a = [2, 3, 4, 5, 6]
# rev_a = []
#
# for i in range(5):
# rev_a.append(a.pop())
# print('rev_a', '=', rev_a)
# 5-7
# n_list = [10, 20, 30, 50, 60]
# s = 0
# for i in range(len(n_list)):
# s += n_list[i]
# print(s)
# 5-9
# n_list = [10, 20, 30, 50, 60]
# largest = n_list[0]
# for i in n_list:
# if i > largest:
# largest = i
# print(largest)
# 5-11
# a, b, c, d, e = input().split()
# a = int(a)
# b = int(b)
# c = int(c)
# d = int(d)
# e = int(e)
#
# alist = []
#
# alist.append(a)
# alist.append(b)
# alist.append(c)
# alist.append(d)
# alist.append(e)
#
#
# print('합:', sum(alist))
# print('평균:', sum(alist)/len(alist))
# print('최댓값:', max(alist))
# print('최솟값:', min(alist))
# data = input().split() # 기준: 문자열
# data = list(map(int, input().split()))
# data = input().split()
# for i in range(len(data)):
# data[i] = int(data[i])
#
# print(data)
# 5-16
# s = 'Birthday'
# print(s[1::2])