Bulls and Cows Game is also known as MasterMind. Computer selects a four digit number, all four digits are different. In current implementation number may not begin with 0. Any number can be guessed in 7 tries or less. "Exist" column displays total number of digits you guessed right - "Cow", "Match" shows how many of those that exists were placed at the right spots - "Bull". Play by entering your guess .
