2025-01-24

# a, b, c = map(int, input().split())
# print((a+b)%c)
# print(((a%c)+(b%c))%c)
# print((a*b)%c)
# print(((a%c)*(b%c))%c)

# n = int(input())
# a = n*20//100
# print(n*78//100, end=' ')
# print(n-(a*22//100))

# a = int(input())
# for i in range(a // 4):
#     print('long', end=' ')
# print('int')

# a = int(input())
# a = a % 3
# if a == 1:
#     print('U')
# elif a == 2:
#     print('O')
# else:
#     print('S')

# a = int(input())
# b = int(input())
# if a < b:
#     print('high speed rail')
# else:
#     print('flight')

a = int(input())
print(a-(a*10//110))