#include <iostream>#include <cmath>#include <limits>using namespace std;const int MAXSIZE = 100;int pos[100];struct RGB{ double red; double green; double blue;}colors[MAXSIZE];double distance(RGB* color1,RGB* color2){ double r = color1->red-color2->red; double g = color1->green-color2->green; double b = color1->blue-color2->blue; return sqrt(r*r+g*g+b*b);}int main(void){ double r,g,b,dist; int count=0,i,j,k; while (cin>>r>>g>>b&&(r!=-1&&g!=-1&&b!=-1)) { colors[count].red = r; colors[count].green = g; colors[count].blue = b; ++count; } double min; k = 0; for (i=16;i<count;++i) { min = numeric_limits<double>::max(); for (j=0;j<16;++j) { dist = distance(&colors[i],&colors[j]); if (dist<min) { min = dist; pos[k] = j; } } k++; } for (i=16,k=0;i<count;++i,++k) { cout<<'('<<colors[i].red<<','<<colors[i].green<<','<<colors[i].blue<<')'<<" maps to "; cout<<'('<<colors[pos[k]].red<<','<<colors[pos[k]].green<<','<<colors[pos[k]].blue<<')'<<endl; } return 0;}
