> #include <iostream>
> using namespace std;
> 
> int target[16][3];
> 
> int main()
> {
>     int i,a,b,c,ci;
>     for(i = 0;i < 16;i++)
>         scanf("%d%d%d",&target[i][0],&target[i][1],&target[i][2]);
>     while(scanf("%d%d%d",&a,&b,&c) != EOF && a != -1)
>     {
>         double cmin = (a - target[0][0]) * (a - target[0][0]) + (b - target[0][1]) * (b - target[0][1]) + (c - target[0][2]) * (c - target[0][2]);
>         ci = 0;
>         for(i = 1;i < 16;i++)
>         {
>             double k = (a - target[i][0]) * (a - target[i][0]) + (b - target[i][1]) * (b - target[i][1]) + (c - target[i][2]) * (c - target[i][2]);
>             if(cmin > k)
>             {
>                 cmin = k;
>                 ci = i;
>             }
>         }
>         printf("(%d,%d,%d) maps to (%d,%d,%d)\n",a,b,c,target[ci][0],target[ci][1],target[ci][2]);
>     }
>     return 0;
> }