#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: zhouhongyi
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2076 kb
****************************************************************/