QBasic Programming

CLS
INPUT "ENTER ANY NUMBER"; N
S = 0
WHILE N < > 0
R = N MOD 10
IF R MOD 2 = 0 THEN S = S + R ^ 3
N = N \ 10
WEND
PRINT "SUM OF CUBE OF EVEN DIGITS"; S
END
USING SUB PROCEDURE
DECLARE SUB SUMEVEN (N)
CLS
INPUT "ENTER ANY NUMBER"; N
CALL SUMEVEN (N)
END
SUB SUMEVEN (N)
S = 0
WHILE N < > 0
R = N MOD 10
IF R MOD 2 = 0 THEN S = S + R ^ 3
N = N \ 10
WEND
PRINT "SUM OF CUBE OF EVEN DIGITS"; S
END SUB
USING FUNCTION PROCEDURE
DECLARE FUNCTION SUMEVEN (N)
CLS
INPUT "ENTER ANY NUMBER"; N
SU = SUMEVEN (N)
PRINT "SUM OF CUBE OF EVEN DIGITS"; SU
END
FUNCTION SUMEVEN (N)
S = 0
WHILE N < > 0
R = N MOD 10
IF R MOD 2 = 0 THEN S = S + R ^ 3
N = N \ 10
WEND
SUMEVEN = S : END FUNCTION