#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: tonghuawei
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/