14 задача

import com.sun.org.apache.xpath.internal.operations.Bool;
import com.sun.xml.internal.bind.v2.runtime.reflect.opt.Const;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        int val = 256;
        String hex = Integer.toHexString(val);
        System.out.println(hex);

    }
}