using System;
using System.Diagnostics;
using System.Threading;
using System.IO;

namespace ConsoleApplication1
{
    class Program
    {
        static Process prc = new Process();
        static void Main(string[] args)
        {

            prc.StartInfo.FileName = "c:/Python27/python.exe";
            prc.StartInfo.Arguments = "";
            prc.StartInfo.UseShellExecute = false;
            prc.StartInfo.RedirectStandardInput = true;
            //prc.StartInfo.RedirectStandardError = true;
            //prc.StartInfo.RedirectStandardOutput = true;
            prc.Start();

            StreamWriter buf = prc.StandardInput;

            buf.WriteLine("import matplotlib.pyplot as plt");

            buf.WriteLine("plt.plot([1,3,2,4])");

            buf.WriteLine("plt.show()");

            buf.Close();

            Console.ReadLine();

        }
    }
}

import sys
while True:
    exec sys.stdin.readline()