Simple 100 line C# brainfuck interpreter

Brainfuck.cs

using System;

namespace Brainfuck {
	class MainClass {
		public static void Main (string[] args) {
			Console.WriteLine ("Enter Command Buffer: ");
			string commandBuffer = Console.ReadLine ();

			int[] memory = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
			int memoryPointer = 0;
			Console.ForegroundColor = ConsoleColor.Blue;

			for (int i = 0; i < commandBuffer.Length; ++i) {
				if (commandBuffer [i] == ',') {
					Console.Clear ();
					Console.Write ("Provide input: ");
					string input = Console.ReadLine ();
					memory [memoryPointer] = System.Convert.ToInt32 (input);
				}
				else if (commandBuffer [i] == '.') {
					Console.WriteLine (memory [memoryPointer]);
				}
				else if (commandBuffer [i] == '<') {
					memoryPointer--;
				}
				else if (commandBuffer [i] == '>') {
					memoryPointer++;
				}
				else if (commandBuffer [i] == '+') {
					memory [memoryPointer] += 1;
				}
				else if (commandBuffer [i] == '-') {
					memory [memoryPointer] -= 1;
				}
				else if (commandBuffer [i] == '[') { 
					if (memory [memoryPointer] == 0) {
						int skip = 0;
						int ptr = i + 1;
						while (commandBuffer[ptr] != ']' || skip > 0) {
							if (commandBuffer [ptr] == '[') {
								skip += 1;
							}
							else if (commandBuffer [ptr] == ']') {
								skip -= 1;
							}
							ptr += 1;
							i = ptr;
						}
					}
				}
				else if (commandBuffer [i] == ']') { 
					if (memory [memoryPointer] != 0) {
						int skip = 0;
						int ptr = i - 1;
						while (commandBuffer[ptr] != '[' || skip > 0) {
							if (commandBuffer [ptr] == ']') {
								skip += 1;
							}
							else if (commandBuffer [ptr] == '[') {
								skip -= 1;
							}
							ptr -= 1;
							i = ptr;
						}
					}
				}

				Console.Clear ();

				for (int j = 0; j < memory.Length; ++j) {
					if (j == memoryPointer) {
						Console.ForegroundColor = ConsoleColor.Red;
					}
					else {
						Console.ForegroundColor = ConsoleColor.Blue;
					}
					Console.Write (memory [j] + " ");
				}
				Console.WriteLine ("\n");

				for (int j = 0; j < commandBuffer.Length; ++j) {
					if (j == i) {
						Console.ForegroundColor = ConsoleColor.Red;
					}
					else {
						Console.ForegroundColor = ConsoleColor.Blue;
					}
					Console.Write (commandBuffer [j] + " ");
				}

				System.Threading.Thread.Sleep (1000);
			}

			Console.ReadLine ();
		}
	}
}