package blatt3;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;


public class Console {

	public static int readInt() {
		String s = null;
		
		try {
			BufferedReader r = new BufferedReader(new InputStreamReader(System.in));
			s = r.readLine();
			return Integer.parseInt(s);
		} catch (IOException e) {
			throw new RuntimeException("Unable to read from STDIN.");
		}
		catch (NumberFormatException e){
			throw new RuntimeException("Cannot convert " + s + " to int");
		}
	}
	
	public static void clear(){
		for(int i=0; i<80; i++) System.out.println();
	}
	
	//public static String blue(char c){
	//	return "\033[H\033[J" + "\033[1;30;44m" + c + "\033[0m";
	//}
	
	public static void main(String[] args){
		int i = Console.readInt();
		System.out.println(i);
	}
}