UVa 11648

#include <bits/stdc++.h>
// #include <iostream>
// #include <cstdio>
// #include <cstdlib>
// #include <algorithm>
// #include <cmath>
// #include <vector>
// #include <set>
// #include <map>
// #include <queue>
// #include <ctime>
// #include <cassert>
// #include <complex>
// #include <string>
// #include <cstring>
// #include <queue>
// #include <bitset>

using namespace std;

// #pragma GCC optimize("Ofast,no-stack-protector")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
// #pragma GCC optimize("unroll-loops")


#define ll              long long int
#define vi              vector< int >
#define vll             vector< ll >

#define sc              scanf
#define pf              printf
#define cspf(i)         pf("Case %d: ", i)
#define spc             pf(" ")
#define line            pf("\n")

#define ff              first
#define ss              second
#define mp              make_pair
#define pb              push_back
#define tp(v,j)         get<j>(v)
#define Log(b,x)        (log(x)/log(b))

#define FOR(i,x,y)      for(int i = int(x); i < int(y); i++)
#define ROF(i,x,y)      for(int i = int(x)-1; i >= int(y); i--)
#define clr(arr,x)      memset(arr, x, sizeof arr)
#define vout(v,sz)      for(int w=0;w<sz;w++){if(w) spc; cout<<v[w];}
#define all(v)          v.begin(), v.end()
#define rall(v)         v.rbegin(), v.rend()
#define unq(v)          sort(all(v)),(v).resize(unique(all(v))-v.begin())
#define fastIO          ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr)

#define sc1(x)          sc("%d",&x);
#define sc2(x,y)        sc("%d %d", &x, &y)
#define sc3(x,y,z)      sc("%d %d %d", &x, &y, &z)
#define scl1(x)         sc("%lld",&x);
#define scl2(x,y)       sc("%lld %lld", &x, &y)
#define scf1(x)         sc("%lf",&x);
#define scf2(x,y)       sc("%lf %lf", &x, &y)

#define pf1(x)          pf("%d",x);
#define pf2(x,y)        pf("%d %d", x, y)
#define pfl1(x)         pf("%lld",x);

#define MOD             (int)(1000000007)
#define MaxN            100005
#define inf             0x3f3f3f3f
#define PI              acos(-1.0)  // 3.1415926535897932
#define eps             1e-9

template <class T> inline T bigMod(T p,T e,T M){T ret=1; for(;e>0;e>>=1){ if(e&1) ret=(ret*p)%M; p=(p*p)%M;} return (T)ret;}
template <class T> inline T modInverse(T a,T M){return bigMod(a,M-2,M);}
template <class T> inline T gcd(T a,T b){if(b==0)return a;return gcd(b,a%b);}
template <class T> inline T lcm(T a,T b) {a=abs(a);b=abs(b); return (a/gcd(a,b))*b;}

long double trihi(long double a, long double b, long double c)
{
    long double s = (a+b+c)/2.0;
    return (sqrt(s * (s-a) * (s-b) * (s-c)) * 2.0)/a;
    //return (ar * 2.0)/a; // a bhumi
}

long double trapiarea(long double a, long double b, long double hi)
{
    return ((a+b)*hi)/2.0;
}

long double percent(long double orgnl, long double cur)
{
    return (cur*100.0)/orgnl;
}

long double pertoval(long double orgnl, long double per)
{
    return (orgnl * per)/100.0;
}

pair<long double,long double> calcBS(long double a, long double b, long double c, long double d)
{
    long double height = c;
    if(abs(a-b)>eps) height = trihi(abs(a-b), c, d);
    else return {c/2.0, d/2.0};
    //cout<<height<<endl;
    long double lo = 0, hi = height, aelo=0, aehi=c, bflo=0, bfhi=d, ef, eflo=0,efhi = abs(a-b);

    while(abs(lo-hi)>eps){
        long double mid = (lo+hi)/2.0;
        long double aemid = (aelo + aehi)/2.0;
        long double bfmid = (bflo + bfhi)/2.0;
        long double efmid = (eflo + efhi)/2.0;

        //long double per = percent(height, mid);

        ef = a - efmid;
        //cout<<per<<' '<<mid<<' '<<ae<<' '<<bf<<' '<<ef<<'\n';
        long double ar1 = trapiarea(a, ef, mid);
        long double ar2 = trapiarea(ef, b, height-mid);
        if(ar1>ar2){
            hi = mid;
            aehi = aemid;
            bfhi = bfmid;
            efhi = efmid;
        }
        else{
            lo = mid;
            aelo = aemid;
            bflo = bfmid;
            eflo = efmid;
        }
    }
    return {aelo, bflo};
}

int main()
{
    #ifndef ONLINE_JUDGE
        clock_t tStart = clock();
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif

    int t,ca=0; sc1(t);

    while(t--){
        long double a,b,c,d;
        cin>>a>>b>>c>>d;
        pair<long double,long double> ans = calcBS(a,b,c,d);
        cout<<"Land #"<<++ca<<": ";
        cout<<fixed<<setprecision(6)<<ans.ff<<' '<<ans.ss<<'\n';
    }


    #ifndef ONLINE_JUDGE
        fprintf(stderr, "\n>> Runtime: %.10fs\n", (long double) (clock() - tStart) / CLOCKS_PER_SEC);
    #endif

    return 0;
}