in baza b

#include <iostream>

using namespace std;

int main()
{
    int n,k=0,ogl=0,b;
    cin>>n;
    cin>>b;
    while(n)
    {k=k*10+n%b;
        n/=b;
    }
    while(k)
    {
        ogl=ogl*10+k%10;
        k=k/10;
    }
    cout<<ogl;
    return 0;
}