#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
	vector<int> a;
	int r=0;
	vector<int> c;
	string rr;
	int n;
	cin>>rr>>n;
	for(int i=rr.size()-1;i>=0;i--){
		a.push_back(rr[i]-'0');
	}
	for(int i=a.size()-1;i>=0;i--){
		r=r*10+a[i];
		c.push_back(r/n);
		r%=n;
	}
	reverse(c.begin(),c.end());
	while(c.size()>1&&c.back()==0) c.pop_back();
	for(int i=c.size()-1;i>=0;i--){
		cout<<c[i];
	}
}