Encode the message STAY PUT . Break it into groups of three characters​ each, including spaces. ​ (Add spaces at the​ end, if​ needed.) Then replace each character with an integer ​(A=​1, ​..., Z=​26, space=​27). Write each group of three numbers as a column matrix and multiply each matrix by​ B, shown at right. B= 2 4 6 −1 −4 −3 0 1 −1
Find the first three integers of the encoded​ message, STAY PUT .
nothing​, nothing​, nothing
Find the second three integers of the encoded message.
nothing​, nothing​, nothing
Find the last three integers of the encoded message.
nothing​, nothing​,