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

/**************************************************************
	Problem: 1027
	User: fuyijun
	Language: C++
	Result: Compile Error
****************************************************************/