> #include<math.h>
> #include<stdio.h>
>  void main(){
>  	int R[16],G[16],B[16],i,S[16],D;
> 	int a,b,c,k;
>  	for(i=0;i<=15;i++)
>  		scanf("%d%d%d",&R[i],&G[i],&B[i]);
>  	scanf("%d%d%d",&a,&b,&c);
> 	while(a!=-1&&b!=-1&&c!=-1)
>  	{ 
> 		for(i=0;i<=15;i++){
> 			S[i]=((a-R[i])*(a-R[i])+(b-G[i])*(b-G[i])+(c-B[i])*(c-B[i]));
> 		}
> 		for(D=S[0],i=0,k=0;i<=15;i++)
> 			if(S[i]<D){	
> 				S[i]=D;	k=i; ==> D=S[i]; k=i;
> 			}
>         printf("(%d,%d,%d) maps to (%d,%d,%d)\n",a,b,c,R[k],G[k],B[k]);
>  		
>  	scanf("%d%d%d",&a,&b,&c);
>  	}
>  }            
>