#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin>>n;
    cout<<(n/10%10*10+n%10)*100+n/100;
}
 
/**************************************************************
	Problem: 1616
	User: zhangyilei
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/