import java.util.Scanner;
public class Exercice14 {
public static void main (String [] args)
{
Scanner scn = new Scanner(System.in);
System.out.print("Entrez epsilon : ");
double epsilon = scn.nextDouble();
double Un = 1, Un1;
do {
Un1 = Un + 1 / Un;
Un = Un1;
} while (Math.abs(Un1 - Un) > epsilon);
System.out.println("lim = " + Un1);
}
}