**GUESS RESULT**

+---------+-------+

| 1 2 3 4 | B B |

+---------+-------+

| 5 6 7 8 | B B |

+---------+-------+

| 8 6 9 0 | B R |

+---------+-------+

B- One of the digits of this guess exists in the hidden number in THE SAME position.

+---------+-------+

| 1 2 3 4 | B B |

+---------+-------+

| 5 6 7 8 | B B |

+---------+-------+

| 8 6 9 0 | B R |

+---------+-------+

R- One of the digits of this guess exists in the hidden number in ANOTHER position.

What is the number?