.MODEL SMALL
.STACK 100H
.DATA
FIRST DB ?
MIDDLE DB ?
LAST DB ?
MSG DB 'ENTER THREE INITIALS: $'

.CODE
MAIN PROC
    MOV AX, @DATA
    MOV DS, AX

    LEA DX, MSG
    MOV AH, 9
    INT 21H

    MOV AH,1
    INT 21H

    MOV FIRST, AL

    INT 21H
    MOV MIDDLE, AL

    INT 21H
    MOV LAST, AL

    MOV AH, 2
    MOV DL, 10
    INT 21H
    MOV DL, 13
    INT 21H

    MOV DL, FIRST
    MOV AH, 2
    INT 21H
    MOV DL, 10
    INT 21H
    MOV DL, 13
    INT 21H

    MOV DL, MIDDLE
    INT 21H
    MOV DL, 10
    INT 21H
    MOV DL, 13
    INT 21H

    MOV DL, LAST
    INT 21H
    MOV DL, 10
    INT 21H
    MOV DL, 13
    INT 21H





    MOV AH, 4CH
    INT 21H