#include<bits/stdc++.h>//405351043185920406
using namespace std;   //405351043185920406
string s;
int n,a[240],c[100],d,b;
int main(){
	cin>>s>>n;
	for(int i=0;i<s.size();i++) a[i]=s[i]-'0';
	for(int i=0;i<s.size();i++){
		b*=10;
		a[i]+=b;
		b=a[i]%n;
		c[i]=a[i]/n;
	}
	for(int i=0;i<s.size();i++){
		if(c[i]!=0){
			d=i;break;
		}
	}
	for(;d<s.size();d++) cout<<c[d];
return 0;}

/**************************************************************
	Problem: 1604
	User: fzy001
	Language: C++
	Result: Accepted
	Time:50 ms
	Memory:2080 kb
****************************************************************/