#include<bits/stdc++.h>
using namespace std;
const int N = 1e5+100;
string s1,s2;
short l1,l2,l3,a[N],b,c[N],ans;
int main(){
	cin>>s1>>b;
	l1=s1.size();l2=s2.size();
	l3=l1+l2+1;
	for(int i=0;i<l1;i++){
		ans=ans*10+a[i];
		c[i]=ans/b;
		ans%=b;
	}
	
	for(int i=l3;i>=1;i--)cout<<c[i];
}