/* Devoir de Java:
 * Calcul de factoriel 100, et 2^100
 * Réalisé par : KENFAOUI ILIASS
 */

import java.math.*;

public class BigIn
{
    public static void main (String [] args)
    {
        System.out.println("\n-------------------------");
        System.out.println("Calcul de 100 factoriel :");
        System.out.println("-------------------------");
        BigInteger A = BigInteger.valueOf(1);
        for(int i = 2; i<=100; i++)
            A = A.multiply(BigInteger.valueOf(i));
        System.out.println("100! = " + A.toString()+"\n");
        System.out.println("\n----------------");
        System.out.println("Calcul de 2^100 :");
        System.out.println("----------------");
        BigInteger B = BigInteger.valueOf(2).pow(100);
        System.out.println("2^100 = " + B.toString());
    }
}