#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s;
	int n,m;
	cin>>n>>m;
	while(n)
	{
		s=s+char(n%m+'0');
		n/=m;
	}
	reverse(s.begin(),s.end());
	cout<<s;
    return 0;
}