botanics

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Q102
{
    class Program
    {
        static private uint[] BGC = new uint[9];
        static private uint _sum = 0; static private uint _temp = 0;
        static private int[] tmp = new int[3]; static private char[] par = { ' ' };
        static void Main(string[] args)
        {
            for (; ; )
            {
                _temp = _sum = 0;
            label: Console.Write("請輸入9個整數(以空白隔開) >>>");
                try
                {
                    BGC = Array.ConvertAll<string, uint>(Console.ReadLine().Split(par, StringSplitOptions.RemoveEmptyEntries), uint.Parse);
                }
                catch
                {
                    goto label;
                }
                if (BGC.Length != 9) goto label;
                for (int i = 0; i < 3; i++)
                    for (int j = 3; j < 6; j++)
                        for (int k = 6; k < 9; k++)
                        {
                            _temp = _sum;
                            if (i + j + k == 12)
                            {
                                _sum = BGC[i] + BGC[j] + BGC[k];
                                if (_temp > _sum) { _sum = _temp; }
                                else if (_temp == _sum)
                                {
                                    if (i == 0)
                                    {
                                        if (tmp[0] == i && tmp[1] == 5) { }
                                        else { tmp[0] = i; tmp[1] = j; tmp[2] = k; }
                                    }
                                    else if (i == 1)
                                    {
                                        if (tmp[0] == i && j == 3) { tmp[0] = i; tmp[1] = j; tmp[2] = k; }
                                    }
                                    else if (i == 2)
                                    {
                                        if (tmp[0] == 0 || (tmp[0] == 2 && tmp[1] == 5)) { }
                                        else { tmp[0] = i; tmp[1] = j; tmp[2] = k; }
                                    }
                                }
                                else { tmp[0] = i; tmp[1] = j; tmp[2] = k; }
                            }
                        }
                _temp = _sum;
                _sum = 0;
                foreach (uint obj in BGC) _sum += obj;
                for (int i = 0; i < 3; i++)
                {
                    if (tmp[i] % 3 == 0) Console.Write("B");
                    else if (tmp[i] % 3 == 1) Console.Write("G");
                    else Console.Write("C");
                }
                Console.WriteLine(" {0}", _sum - _temp);
            }
        }
    }
}