import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int b = sc.nextInt();
        int m = sc.nextInt();
        StringBuilder sb = new StringBuilder();
        while(m > 0){
            sb.append(m % b);
            m /= b;
        }
        System.out.println(sb.reverse().toString());
    }
}