#include<iostream>
#include<vector>
using namespace std;
//数制转换
void Convert(int n, int base)
{
vector<int> v;
while(n > 0)
{
v.push_back(n % base);
n /= base;
}
for(int i = v.size() - 1; i >= 0; i--)
cout << v[i];
}
int main(){
int n, base;
cin >> n >> base;
Convert(n, base);
return 0;
}
output: