> #include<iostream>
> #include<cmath>
> using namespace std;
> 
> int main()
> {
>     int a[16][3];
>     int x,y,z;
>     double min = 600.0,t;
>     int k;
>     
>     for(int i = 0 ;i<16; i++)
>      cin>>a[i][0]>>a[i][1]>>a[i][2];
>      
>      while(cin>>x>>y>>z)
>      {
>        if(x==-1&&y==-1&&z==-1)
>         break;
>         min = 600.0;
>         for(int j =0; j<16; j++)
>          {
>             t =sqrt((a[j][0]-x)*(a[j][0]-x)+(a[j][1]-y)*(a[j][1]-y)+(a[j][2]-z)*(a[j][2]-z));
>             if(t<min) 
>             {
>               min = t;
>               k =j;           
>             }
>          }
>          cout<<"("<<x<<","<<y<<","<<z<<") "<<"maps to ("<<a[k][0]<<","<<a[k][1]<<","<<a[k][2]<<")"<<endl;
>      }  
>      return 0; 
>      
> }