Break The Code

A bulls and cows type mind game. In order to open the safe box and get the prize, you have to break the code of the lock in 100 seconds.For each attempt of yours you will be given some hints regarding the digits of the right code.For each correct digit you inserted to the correct place you will see a green light;and for each digit which is correct but inserted to the wrong place you will see a yellow light. Good luck!