/**
 * Write a description of class jzzh here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class jzzh
{
    public static String Str="";
    
    public static void f(int n,int o)
    {
        char temp='A';
        int d;
        d=n%o;
        n/=o;
        if(n>=1)    f(n,o);
        if(d<10)    Str+=d;
        for(int i=0;i<d-10;i++)
            temp++;
        if(d>=10)   Str+=temp;
    } 
}