import java.util.*;
 
public class Main {
 
    static String common_ans(int line) {
 
        if (line == 0) {
            return "";
        }
 
        String num = "";
        for (int i = line; i > 0; i /= 2) {
            int remainder = i % 2;
            num = remainder + num;
        }
 
        return num;
    }
 
    static String library_ans(String line) {
        String num = Integer.toBinaryString(Integer.parseInt(line, 10));
        return num;
    }
 
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("If the input 3 were decimal, its binary would be " + common_ans(sc.nextInt()) + ".");
        sc.nextLine();
        System.out.println("If the input 6 were decimal, its binary would be " + library_ans(sc.nextLine()) + ".");
    }
 
}

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Mwo2

3
6