#include<bits/stdc++.h>
using namespace std;
int main(){
    int x,s,g,sh,b,q;
    cin>>x;
    g=x%10*1000;
    sh=x/10%10*100;
    b=x/100%10*10;
    q=x/1000;
    s=g+sh+b+q;
    cout<<s;
}
/**************************************************************
	Problem: 1029
	User: yangjunwenredianling
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/