#include <bits/stdc++.h>
using namespace std;
int main(){
	int n,g,s,b;
    cin>>n;
    g=n/1%10;
    s=n/10%10;
    b=n/100%10;
    cout<<n+g*100+s*10+b;

return 0;
}

/**************************************************************
	Problem: 1020
	User: LYY001
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/