2025.8.30

X = int(input())

# print(X,'%',sep='')

# X = input()

# print(X, X, X)

# a, b = input().split(':')

# print(a, b, sep=':')

# a, b, c = input().split('.')

# print(c, b, a, sep='-')

# X, Z = input().split('-')

# print(X, Z, sep='')

# X = input()

# print(X[0])

# print(X[1])

# print(X[2])

# print(X[3])

# print(X[4])

# X = input()

# print(X[0:2],X[2:4],X[4:6])

# X, Y, Z = input().split(':')

# print(Y)

# X, Y = input().split(' ')

# print(X, Y, sep='')

# X, Y = input().split(' ')

# Z = int(X) + int(Y)

# print(Z)

# X = input()

# Y = input()

# Z = float(X) + float(Y)

# print(Z)

# X = input()

# Y = int(X)

# print('%x'% Y)

# X = input()

# Y = int(X)

# print('%X'% Y)

# X = input()

# Y = int(X, 16)

# print('%o'% Y)

# X = ord(input())

# print(X)

# X = int(input())

# print(chr(X))

# X = int(input())

# print(-X)

# X = ord(input())

# print(chr(X+1))

# X, Y = map(int, input().split(' '))

# Z = X-Y

# print(Z)

# X, Y = map(float, input().split(' '))

# Z = X*Y

# print(Z)

# X, Y = input().split()

# print(X*int(Y))

# X = input()

# Y = input()

# print(int(X)*Y)

# X, Y = map(int, input().split(' '))

# Z = X**Y

# print(Z)

# X, Y = map(float, input().split(' '))

# Z = X**Y

# print(Z)

# X, Y = map(int, input().split(' '))

# Z = X//Y

# print(Z)