#### CodeForces 514A – Chewbaсca and Number

Description

Luke Skywalker gave Chewbacca an integer number x. Chewbacca isn’t good at numbers but he loves inverting digits in them. Inverting digit tmeans replacing it with digit 9 - t.

Help Chewbacca to transform the initial number x to the minimum possible positive number by inverting some (possibly, zero) digits. The decimal representation of the final number shouldn’t start with a zero.

Input

The first line contains a single integer x(1 ≤ x ≤ 1018) — the number that Luke Skywalker gave to Chewbacca.

Output

Print the minimum possible positive number that Chewbacca can obtain after inverting some digits. The number shouldn’t contain leading zeroes.

Sample Input

Input
27
Output
22
Input
4545
Output
4444

ANSI C：

#include <string.h>
#include <stdio.h>

void change(char *x){
*x =  '0' + 9 - *x + '0';
}
int main()
{
char num[32];
scanf("%s", num);
if(num[0]!='9' && num[0]>='5')
change(&num[0]);
int i;
for(i = 1; i < strlen(num); ++i)
if(num[i]>='5')
change(&num[i]);
puts(num);
return 0;
}

C++：

#include <iostream>
#include <cstring>
#include <cstdlib>
#include <cctype>

using namespace std;

inline void change(char & x){
x =  '0' + 9 - x + '0';
}
int main()
{
char num[32];
cin >> num;
if(num[0]!='9' && num[0]>='5')
change(num[0]);
for(int i = 1; i < strlen(num); ++i)
if(num[i]>='5')
change(num[i]);
cout << num << endl;
return 0;
}

Java：

import java.util.*;

public class Main {
public static void main(String[] args) {
Scanner cin = new Scanner(System.in);
String num = cin.next();
for(int i = 0; i < num.length(); ++i){
if(i==0){
if('5' <= num.charAt(0) && num.charAt(0) <= '8')
System.out.print((char)('0' + 9 - num.charAt(0) + '0'));
else
System.out.print(num.charAt(0));
}
else{
if('5' <= num.charAt(i) && num.charAt(i) <= '9')
System.out.print((char)('0' + 9 - num.charAt(i) + '0'));
else
System.out.print(num.charAt(i));
}
}
cin.close();
}

}

Python：

x = list(input())
for i in range(len(x)):
if (i == 0 and '5' <= x[0] <= '8') or (i != 0 and '5' <= x[i] <= '9'):
x[i] = str(9-int(x[i]))
print(x[i], end = '')