# n = input()
# a = 0
# b = 0
# for i in range(len(n)):
# if n[i] == '(':
# a += 1
# else:
# b += 1
# print(a, b)
# n = int(input())
# data = []
# for i in range(1, n):
# if n % 2 == 0:
# .sort 오름차순 정렬
# n, c = map(int, input().split())
# s = list(map(int, input().split()))
# s.sort()
# for i in range(0, ):
#
# n = int(input())
#
# if n < 0:
# print('점수의 범위를 초과하였습니다')
# elif n > 100:
# print('점수의 범위를 초과하였습니다')
# elif 90 <= n <= 100:
# print('A+')
# elif 80 <= n <= 89:
# print('B+')
# elif 70 <= n <= 79:
# print('c+')
# elif 60 <= n <= 69:
# print('D+')
# else:
# print('F')