#include<bits/stdc++.h>
using namespace std;
int main(){
    int x,i=0,a=0,s=0,o=0,z=0;
    cin>>x;
        i=x%10;
        a=x%100/10;
        s=x%1000/100;
        z=i*100+a*10+s;
        cout<<z;
    }
/**************************************************************
	Problem: 1028
	User: wuzhijing
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/