import java.util.Scanner;

/** Small program to read from keyboard and display results. 
    Different types are read in. */

public class Reader {

    public static void main(String[] args){
	
	Scanner sc = new Scanner(System.in);
	System.out.print("int> ");
	int n = sc.nextInt();
	System.out.println(n*n);

	System.out.print("long> ");
	long x = sc.nextLong();
	System.out.println(x*x);

	System.out.print("double> ");
	double y = sc.nextDouble();
	System.out.println(y*y);

	System.out.print("float> ");
	float z = sc.nextFloat();
	System.out.println(z*z);

	System.out.print("String> ");
        String s = sc.next();
	System.out.println(s+s);
	//
	// reads a string!
	//
       
    }
}