using System;

namespace Test
{
	class Program
	{
		static void Main()
		{
			//int[] a = { 6, 4, 7, 9, 8, 2, 1, 3, 6, 5, 2, 2, 1, 5, 4, 9, 9, 6, 2, 8, 7, 4, 1, 2, 6, 8, 8, 2, 4, 6 };
			int[] a = new int[30];
			int sum = 0, index = 0;

			for(int i = 0; i < a.Length; i++)
			{
				a[i] = int.Parse(Console.ReadLine());
			}

			for(int i = 0; i < a.Length - 2; i++)
			{
				if(a[i] + a[i + 1] + a[i + 2] > sum)
				{
					index = i;
					sum = a[i] + a[i + 1] + a[i + 2];
				}
			}

			Console.WriteLine("a[{0}] + a[{1}] + a[{2}] = {3}", index, index + 1, index + 2, sum);
		}
	}
}