#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,x;
    cin>>n>>x;
    n*=1000;
    if (n%x!=0)
        cout<<n/x+1;
    else
        cout<<n/x;
    return 0;
}

#include <iostream>
using namespace std;
int main()
{
    int n,x;
    cin >> n >> x;
    n*=1000;
    if(n%x==0)
    {
        cout << n/x;
    }
    else
    {
        cout << n/x+1;
    }
}

#include <iostream>//hetao3097453
using namespace std;
int main()
{
    int a,b;
    cin >> a >> b;
    a *= 1000;
    if(a % b == 0)
    {
        cout << a / b;
    }
    else
    {
        cout << a / b + 1;
    }
    return 0;
}