import java.util.Scanner; //imports from the API so you can just type Scanner

public class EchoLine {

	public static void main(String[] args) {
		Scanner myScanner = new Scanner(System.in); //TODO learn what this means

		System.out.println(myScanner.nextInt());
		//grabs the first number from the next line of input
				//input can only be numbers
		//myScanner.nextLine() would output the entire line
	}

}