#include<bits/stdc++.h>
using namespace std;
int main(){
	int x,g,s,b,h=0;
	cin>>x;
	g=x%10;
	s=x/10%10;
	b=x/100;
	h=b*1+s*10+g*100;
	cout<<h;
}




/**************************************************************
	Problem: 1028
	User: chensijia
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/