#include <iostream>
#include <bits/stdc++.h>
#define ll long long
using namespace std;
char c[100005];
ll b,x,n,a[100005],l1,s[100005];
int main(){
	cin>>c>>b;
	l1=strlen(c);
	for(int i=1;i<=l1;i++){
		s[i]=c[i-1]-48;
	}
	for(int i=1;i<=l1;i++){
		x=x*10+s[i];
		a[i]=x/b;
		x=x%b;
	}
	int p=1;
	for(int i=1;i<=l1;i++){
		if(a[i]==0){
			p++;
		}
	}
	for(int i=p;i<=l1;i++){
		cout<<a[i];
	}
	return 0;
}

悬棺