Munka(jó)

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

namespace munka
{
    class Program
    {
        static void Main(string[] args)
        {
            //StreamReader be = new StreamReader("in.5");
            //Console.SetIn(be);

            string[] line = Console.ReadLine().Split(' ');
            int N = int.Parse(line[0]);
            int F = int.Parse(line[1]);
            int sumF = 0;
            int temp_tol = 0, temp_ig = 0;
            int cnt2 = 0;
            int jo_tol = -1;
            int jo_ig = 0;
            int cnt = 0;
            int legkevesebb = -1;

            List<int> jov = new List<int>();
            for (int i=0; i<N; i++)
                jov.Add(int.Parse(Console.ReadLine()));
            jov.Add(0);
            //be.Close();
            bool done = false;
            //StreamWriter ki = new StreamWriter("ki.txt");
            //Console.SetOut(ki);

            while (cnt < N)
            {
                while (cnt2 < N && done == false)
                {
                    sumF += jov[cnt2];
                    if (sumF >= F)
                    {
                        done = true;
                        temp_tol = cnt;
                        temp_ig = cnt2;
                        if (legkevesebb == -1 || cnt2 - cnt < legkevesebb)
                        {
                            jo_tol = temp_tol;
                            jo_ig = temp_ig;
                            legkevesebb = jo_ig - jo_tol;
                        }
                    }
                    cnt2++;
                }
                cnt++;
                cnt2 = cnt;
                done = false;
                sumF = 0;
            }

            if (jo_tol == -1)
                Console.WriteLine("{0} {1}", -1, -1);
            else
                Console.WriteLine("{0} {1}", jo_tol+1, jo_ig+1);


            //ki.Close();
        }
    }
}