QBasic Programming

CLS
INPUT "ENTER ANY NUMBER"; N
C = 0
WHILE N < > 0
R = N MOD 10
IF R MOD 2 = 1 THEN C = C + 1
N = N \ 10
WEND
PRINT "TOTAL NUMBER OF ODD DIGITS"; C
END
USING SUB PROCEDURE
DECLARE SUB COUNT (N)
CLS
INPUT "ENTER ANY NUMBER"; N
CALL COUNT (N)
END
SUB COUNT (N)
C = 0
WHILE N < > 0
R = N MOD 10
IF R MOD 2 = 1 THEN C = C + 1
N = N \ 10
WEND
PRINT "TOTAL NUMBER OF ODD DIGITS"; C
END SUB
USING FUNCTION PROCEDURE
DECLARE FUNCTION COUNT (N)
CLS
INPUT "ENTER ANY NUMBER"; N
PRINT "TOTAL NUMBER OF ODD DIGITS"; COUNT (N)
END
FUNCTION SUM (N)
C = 0
WHILE N < > 0
R = N MOD 10
IF R MOD 2 = 1 THEN C = C + 1
N = N \ 10
WEND
COUNT = C : END FUNCTION