#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,g,b,h;
    cin>>n;
    g=n%10;
    b=n/100;
    h=g+b*10;
    cout<<h<<endl;
}
/**************************************************************
	Problem: 1615
	User: binzicheng1
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2072 kb
****************************************************************/