#include <stdio.h>
#define SIZE 25
int main(void) {
    int d, b;
 
 
    printf("Enter decimal and base:  ");
    scanf("%d", &d);
    scanf("%d", &b);
 
    if(b<2){
        printf("Your base is too low! \n");
        }
        else if (b >16){
             printf("Your base is too high! \n");
             }
        else if(d==0){
              printf("%d \n", 0);
              }
        else{
 
             while (d!=0){
                         char temp[SIZE];
                         char result[SIZE];
                         int i, r, n ;
                         r = d%b;
                         d = d/b;
                         char basechars[] = "0123456789ABCDEF";
                         temp[i++] = basechars[r];
                         result[n++] = temp[--i];
 
                         printf("%c", result);                         
                     }
}
                        system("PAUSE");
 
                        }

    while (d != 0) {
        r = d % b;
        d = d / b;
        result[len++] = basechars[r];
    }
 
    for (i = len-1; i >= 0; --i) {
        printf("%c", result[i]);
    }