#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=c+10*b+100*a;
cout<<s;
 
	return 0;
}

/**************************************************************
	Problem: 1028
	User: wqc123
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/