import java.util.Scanner;

public class MethodsExcercises {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int number = Integer.parseInt(scanner.nextLine());
        int toBase = Integer.parseInt(scanner.nextLine());
        System.out.println(integerToBase(number, toBase));

    }
    static String integerToBase(int number, int toBase){
        StringBuilder sb = new StringBuilder();
        while (number != 0){
            int residue = number % toBase;
            sb.append(residue);
            number = number / toBase;
        }
            return sb.toString();
    }
}