#include<bits/stdc++.h>
using namespace std;
int main(){
    int x,s,a,b,c;
    cin>>x;
    a=x%10;
    b=x/10%10;
    c=x/100;
	s=a*100+c*1+b*10;
	cout<<s;
    
    
    
    
	
	
}
/**************************************************************
	Problem: 1028
	User: lvrenxiang
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/