Qbasic program to display the greatest among 3 number.

Write a program to display the greatest among 3 number.

CLS
INPUT "Enter any number"; A,B,C
IF A>B AND A>C THEN
PRINT "The greatest number is"; A
ELSEIF B>A AND B>C THEN
PRINT "The greatest number is"; B
ELSE
PRINT "The greatest number is";C
END IF
END