#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
using ll=long long;
using ull=unsigned long long int;
using i128=__int128_t;
using ld=long double;
using pii=pair<int,int>;
using vl=vector<ll>;
using vll=vector<vector<ll>>;
using vs=vector<string>;
using vss=vector<vector<string>>;
using vc=vector<char>;
using vcc=vector<vector<char>>;
int ri() {int n;cin>>n;return n;}
ll rii() {ll n;cin>>n;return n;}
double rd() {double n;cin>>n;return n;}
string rs() {string n;cin>>n;return n;}
char rss() {char n;cin>>n;return n;}
//const int inf=1e9;
//const ll linf=1000000000000000000LL;
//const int mod=998244353;

auto solve() {
	ll n,m;
	cin>>n>>m;
	cout<<(n/m)*1000<<endl;
}

int main(void) {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
    return 0;
}