hdu 1877 又一版 A+B

import java.util.Scanner;

public class Main {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner cin = new Scanner(System.in);
       int m, a, b;
       while(true) {
           m = cin.nextInt();
           if(m == 0) break;
           a = cin.nextInt();
           b = cin.nextInt();
           System.out.println(Integer.toString(a + b, m));
       }
       
    }
    
}