#include <bits/stdc++.h>
using namespace std;
int main(){
    string s;
    cin>>s;
    for(int k=0;k<4;k++){
        s[k]=(s[k]-'0'+5)%10+'0';
    }
    cout<<s[3]<<s[2]<<s[1]<<s[0];
    return 0;
}
/**************************************************************
	Problem: 1109
	User: wengsihan
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2076 kb
****************************************************************/