QBasic Programming

REM
CLS
INPUT "ENTER ANY NUMBER"; N
PRINT "CUBE OF ODD DIGITS ARE ";
WHILE N <> 0
R = N MOD 10
IF R MOD 2 = 1 THEN PRINT R ^ 3;
N = N \ 10
WEND
END
USING SUB PROCEDURE
DECLARE SUB ODD (N)
CLS
INPUT "ENTER ANY NUMBER"; N
CALL ODD (N)
END
SUB ODD (N)
PRINT "CUBE OF ODD DIGITS ARE ";
WHILE N <> 0
R = N MOD 10
IF  MOD 2 = 1 THEN PRINT R ^ 3;
N = N \ 10
WEND
END SUB
USING FUNCTION PROCEDURE
DECLARE FUNCTION ODD (N)
REM
CLS
INPUT "ENTER ANY NUMBER"; N
PRINT "CUBE OF ODD DIGITS";
D = ODD(N)
END
FUNCTION ODD (N)
WHILE N <> 0
R = N MOD 10
IF R MOD 2 = 1 THEN PRINT R ^ 3;
N = N \ 10
WEND
END FUNCTION