LotsaShit

 class Program
    {
        static void Main() //2003 ex 9
        {
            int[,] arr = new int[18, 25];
            string smallLoc = "0,0";
            for (int i = 0; i < arr.GetLength(0); i++)
            {
                for (int j = 0; j < arr.GetLength(1); j++)
                    arr[i, j] += int.Parse(Console.ReadLine());
            }
            for (int i = 0; i < arr.GetLength(0); i++)
            {
                for (int j = 0; j < arr.GetLength(1); j++)
                    if (arr[i, j] < arr[int.Parse(smallLoc.Substring(0, smallLoc.IndexOf(','))), int.Parse(smallLoc.Substring(smallLoc.IndexOf(',')))])
                        smallLoc = i + "," + j;
            }
        }
        static void Main() //2003 ex 8
        {
            string st, newSt = "";
            st = Console.ReadLine();
            st = st.Replace(" ", "");
            Console.WriteLine(st);
            for (int i = 0; i < st.Length; i++)
            {
                newSt += st[i];
                if (st[i] < 'M')
                    newSt += (char)((int)st[i] + 1);
                else
                    newSt += (char)((int)st[i] - 1);
            }
            Console.WriteLine("Encrypted: " + newSt);
        }
        public static bool Increasing(int[,] arr) //1997 ex. 10
        {
            int currentSum = 0, lastSum = 0;
            for (int i = 0; i < arr.GetLength(0); i++)
            {
                for (int j = 0; j < arr.GetLength(1); j++)
                    currentSum += arr[i, j];
                Console.WriteLine("Current sum: " + currentSum);
                if (currentSum < lastSum)
                    return false;
                lastSum = currentSum;
                currentSum = 0;
            }
            return true;
        }
        static void Main() //1997 ex. 10
        {
            int[,] arr = new int[10, 20];
            for (int i = 0; i < arr.GetLength(0); i++)
            {
                for (int j = 0; j < arr.GetLength(1); j++)
                    arr[i, j] = int.Parse(Console.ReadLine());
            }
            Console.WriteLine(Increasing(arr));
        }
    }