Problem:
Score : 100 points

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.

Constraints

111 \leq n \leq 999

n is an integer consisting of digits 1 and 9.

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.

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

Solution in C++14 (GCC 5.4.1) (judge verdict: Accepted)

#include<bits/stdc++.h>                                                                              
using namespace std;
int main()
{
  int n;
  cin >> n;
  int hund,ten,one;
  hund=n/100;
  ten=(n%100)/10;
  one=((n%100)%10);
  if(hund==1)
    hund=9;
  else if(hund==9)
    hund=1;
  if(ten==9)
    ten=1;
  else if(ten==1)
    ten=9;
  if(one==9)
    one=1;
  else if(one==1)
    one=9;
  cout << hund*100+ten*10+one << endl;
}