Give a break for two minutes brain exercise.

it is a challenging game of guessing a number. it is for you if you love to play with numbers.
Playing the game is simple. At each turn there is a hidden number. Try to find it by making guesses.
You will get hints which helps you find the hidden number.
+2: Means two correct digits and both of the are in correct place
-1: Means ; one correct digit but in wrong place.
Example if the hidden number is: 9054
And your guess is : 9743
You will get hint : +1 -1
+1 for digit 9 it is correct and its place is correct
-1 for digit 4 it exists in the number but in wrong place