#include <iostream> #include <string> using namespace std; int main() { int N, R; while (cin>>N>>R) { if (N < 0) cout << "-"; string s; N = abs(N); while (N > 0) { int a = N%R; if (a >= 10) s.push_back(a - 10 + 'A'); else s.push_back(a + '0'); N /= R; } for (int i = s.size() - 1; i >= 0; i--) cout << s[i]; cout << endl; } return 0; }
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