#include<iostream>
#include<cstring>
#include<cstdio>
using namespace std;
char a1[5001];
int a[101], c[101], lena, i, x, lenc, b;
int main()
{
	cin >> a1;
	cin >> b;
	lena = strlen(a1);
	for(i = 0; i <= lena - 1; i ++)
		a[i + 1] = a1[i] - 48;
	for(i = 0; i <= lena - 1; i ++)
	{
		c[i] = (x * 10 + a[i]) / b;
		x = (x * 10 + a[i]) % b; 
	}
	lenc = 1;
	while(c[lenc] == 0 && lenc < lena)
		lenc ++;
	for(i = lenc; i <= lena; i ++)
		cout << c[i];
	cout << endl;
	return 0;
}