#include <bits/stdc++.h>
using namespace std;
int main()
{
	char str[1005] = {};
	int b;
	cin >> str >> b;
	int a[1005] = {};
	int la = strlen(str);
	for (int i = 0 ; i < la ; i++)
	{
		a[i] = str[i] - 48; 
	}
	int lans = la; 
	int ans[1005] = {};
	int r = 0; 
	for (int i = 0 ; i < lans ; i++ )
	{
    	ans[i] = ( r * 10 + a[i] ) / b; 
    	r = ( r * 10 + a[i] ) % b; 
	}
	int k = 0; 
	while (ans[k] == 0 && k < lans - 1 )
	{
		k++;
	}
	for (int i = k; i <= lans-1; i++)
	{
		cout << ans[i];
	}
    return 0;
}