INSTRUCTIONS

- YOU MUST INPUT 9 NUMBERS IN TOTAL FOR THE WHOLE MATRIX
- EACH NUMBER MUST BE BETWEEN "-16" AND "15", BOTH INCLUDED
- EACH NUMBER MUST FOLLOW THE SYNTAX
- ZERO CAN ONLY BE POSITIVE

SYNTAX

YOU MUST ENTER 3 CHARACTERS AFTER THE ">" IS DISPLAYED
1 - MUST BE EITHER "+" OR "-"
2 - MUST BE A NUMBER BETWEEN "0" AND "9", BOTH INCLUDED
3 - MUST BE A NUMBER BETWEEN "0" AND "9", BOTH INCLUDED