UVA-11001

#include <bits/stdc++.h>

using namespace std;
//using namespace chrono;

typedef long long ll;
typedef vector< int > vi;
typedef vector< ll > V;
typedef map<int, int > mp;

#define pb push_back
#define FastIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define F first
#define S second

#define debug cout << -1 << endl;
#define REP(i, a, b) for(int i=a; i<b; i++)
#define f0r(i, n) for (int i = 0; i < n; ++i)
#define f0r1(i, n) for (int i = 1; i <= n; ++i)
#define r0f(i, n) for(int i=n-1; i>=0; i--)
#define r0f1(i, n) for(int i=n; i>=1; i--)
#define fore(a, x) for (auto& a : x)
#define fori(i, a, b) for (int i = (a); i < (b); ++i)

#define MP make_pair
#define UB upper_bound
#define LB lower_bound
#define nw cout << "\n"

#define issq(x) (((ll)(sqrt((x))))*((ll)(sqrt((x))))==(x))
#define rev(v) reverse(v.begin(),v.end())
#define asche cerr<<"Ekhane asche\n";
#define rev(v) reverse(v.begin(),v.end())
#define srt(v) sort(v.begin(),v.end())
#define grtsrt(v) sort(v.begin(),v.end(),greater<ll>())
#define all(v) v.begin(),v.end()
#define mnv(v) *min_element(v.begin(),v.end())
#define mxv(v) *max_element(v.begin(),v.end())
#define valid(tx,ty) (tx>=0 && tx<n && ty>=0 && ty<m)
#define one(x) __builtin_popcount(x)
//#define pop pop_back
#define setPrec(x) cout << fixed << setprecision(x)
#define sz(a) (int)a.size()
//#define fin cin
//#define fout cout
const int INF = 1e9;
const ll MOD = (ll)1e9+7;
const ll INFL = 1e18;
const ll mnINF = -1e18;
const double diff = 10e-12;
const int maxn = 200005;
const double PI = acos(-1);
using namespace std;

// int dx[] = {-1, 0, 1};
// int dy[] = {-1, 0, 1};

int dx[] = {-1, 0, 0, 1};
int dy[] = {0, -1, 1, 0};


void solve()
{
    double vt, v;
    while(cin >> vt >> v) {
        if(vt==0 && v==0) return;
        if(vt<=v) {
            cout << 0 << "\n";
            continue;
        }
        vector< pair< double, int > > ans;
        double mxDia = 0.00;
        int mxDisc = 0;
        int mnD = 1;
        // cout << mnD <<  " " << mxD << "\n";
        for(int vag=mnD; ; vag++) {
            double ektarVol = (double)(double(vt)/vag);
            if(!(ektarVol>v)) break;
            double totalDia = vag * (0.3 * sqrt((double)(ektarVol - v)));
            // cout << vag << " " << totalDia << "\n";
            ans.pb({totalDia, vag});
        }
        srt(ans);
        rev(ans);
        if(ans.size()==1) {
            cout << ans[0].S << "\n";
        }
        else {
            if(ans[0].F==ans[1].F || abs(ans[0].F-ans[1].F<diff)) {
                cout << 0 << "\n";
            }
            else cout << ans[0].S << "\n";
        }
    }
}



void setIO(string name = "") { // name is nonempty for USACO file I/O

    ios_base::sync_with_stdio(0); cin.tie(0); // see Fast Input & Output

    // alternatively, cin.tie(0)->sync_with_stdio(0);

    if (name.size()) {

        freopen((name+".in").c_str(), "r", stdin); // see Input & Output

        freopen((name+".out").c_str(), "w", stdout);

    }

}

int main()
{
    //setIO("breedflip");
    FastIO;
    int t;
    t = 1;
    // cin >> t;
    f0r(i, t) {
        // cin.ignore();
        //cout << "Case " << i+1 << ": ";
        solve();
    }
    return 0;
}