#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c,g;
    scanf("%d",&g);
    a=g%10;
    b=g/100;
    c=a+b*10;
    cout<<c;
}
/**************************************************************
	Problem: 1615
	User: zhangyilei
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/