#include <bits/stdc++.h>

using namespace std;

double x[],y[],w[];

double xm,ym,wt,k,lambda=0.9;

int n;

const double ox[]={,,,-,},oy[]={,,,,-};

double calc(double xw,double yw){

    double ans=;

    for(int i=;i<=n;i++)

        ans+=sqrt((xw-x[i])*(xw-x[i])+(yw-y[i])*(yw-y[i]))*w[i];

    return ans;

}

int main() {

    cin>>n;

    for(int i=;i<=n;i++)

        cin>>x[i]>>y[i]>>w[i],

        xm+=x[i]*w[i],

        ym+=y[i]*w[i],

        k=max(k,max(abs(x[i]),abs(y[i]))),

        wt+=w[i];

    xm/=wt;

    ym/=wt;

    k*=0.1;

    double z=,oz=-1e+;

    while(k>=0.0001) {

        //printf("%.3f %.3f  k=%.4f\n",xm,ym,k);

        oz=z;

        double minopt=1e+;

        int opt=;double tmp;

        for(int i=;i<=;i++) {

            tmp=calc(xm+ox[i]*k,ym+oy[i]*k);

            if(tmp<minopt)

                minopt=tmp, opt=i;

        }

        xm+=ox[opt]*k, ym+=oy[opt]*k;

        z=tmp;

        k*=lambda;

    }

    printf("%.3f %.3f\n",xm,ym);

}