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import java.util.*;
public class Vaja16{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		System.out.print("Vnesi đarde: ");
		int a = sc.nextInt();
		double meters_best = a * 0.9144;
		System.out.println(a+" Yardov = "+meters_best+" metrov (best)!.");
		}
}