P25546 [AtCoder] AtCoder Beginner Contest 999
入门
题目描述

Problem Statement

Cat Snuke is learning to write characters.
Today, he practiced writing digits 1 and 9, but he did it the other way around.
You are given a three-digit integer n written by Snuke.
Print the integer obtained by replacing each digit 1 with 9 and each digit 9 with 1 in n.

Input

Input is given from Standard Input in the following format:
n

Output

Print the integer obtained by replacing each occurrence of 1 with 9 and each occurrence of 9 with 1 in n.

Constraints

  • $111 \leq n \leq 999$
  • n is an integer consisting of digits 1 and 9.

Sample Input 1

119

Sample Output 1

991

Replace the 9 in the ones place with 1, the 1 in the tens place with 9 and the 1 in the hundreds place with 9. The answer is 991.

Sample Input 2

999

Sample Output 2

111

输入格式

见题面 Input 部分

输出格式

见题面 Output 部分

样例输入
119
样例输出
991