1 #include <iostream>
2 #include <algorithm>
3 using namespace std;
4 const int maxn = 10005;
5 char biao[] = "0123456789ABCDEF";
6 int main(){
7 int a, b;
8 char s[maxn];
9 int len;
10 while (cin >> a >> b){
11 int ans = 0;
12 len = 0;
13 int t;
14 while (a){
15 int t;
16 t = a % b;
17 ans += t;
18 a /= b;
19 }
20 while (ans){
21 int t;
22 t = ans % b;
23 ans /= b;
24 s[len++] = biao[t];
25 }
26 for (int i = len - 1; i >= 0; i--){
27 cout << s[i];
28 }
29 cout << endl;
30 }
31
32 //system("pause");
33 return 0;
34 }
