StreamReader sr = new StreamReader("input.txt");
            string line = sr.ReadLine();
            Int64 houses = 1;
            Int64 max = 10000;
            int[,] hor= new int[max, max];
            for (Int64 l = 0; l < max; l++)
            { for (Int64 j = 0; j < max; j++)
                    hor[l, j] = 0;
            }
            Int64 i = 0;
            Int64 k = 0;
            for (int j =1;j<=line.Length-1;j++)
            {
                if (line[j]=='^')
                {
                    if (k==max-1)
                    {
                        k = 0;
                        if (hor[i, k] == 0)
                        {
                            hor[i, k]++;
                            houses++;
                        }
                    }
                    else
                    {
                        k++;
                        if (hor[i, k] == 0)
                        {
                            hor[i, k]++;
                            houses++;
                        }
                    }
                }
                if (line[j] == 'v')
                {
                    if (k == 0)
                    {
                        k = max-1;
                        if (hor[i, k] == 0)
                        {
                            hor[i, k]++;
                            houses++;
                        }
                    }
                    else
                    {
                        k--;
                        if (hor[i, k] == 0)
                        {
                            hor[i, k]++;
                            houses++;
                        }
                    }
                }
                if (line[j] == '>')
                {
                    if (i == max-1)
                    {
                        i = 0;
                        if (hor[i, k] == 0)
                        {
                            hor[i, k]++;
                            houses++;
                        }
                    }
                    else
                    {
                        i++;
                        if (hor[i, k] == 0)
                        {
                            hor[i, k]++;
                            houses++;
                        }
                    }
                }
                if (line[j] == '<')
                {
                    if (i == 0)
                    {
                        i = max-1;
                        if (hor[i, k] == 0)
                        {
                            hor[i, k]++;
                            houses++;
                        }
                    }
                    else
                    {
                        i--;
                        if (hor[i, k] == 0)
                        {
                            hor[i, k]++;
                            houses++;
                        }
                    }
                }
            }