QBASIC PROGRAM TO FIND SUM OF SQUARE OF DIGITS

CLS
 INPUT ENTER ANY NUMBER; N
 S = 0
 WHILE N < > 0
 R = N MOD 10
 S = S + R ^ 2
 N = N  10
 WEND
 PRINT "SUM OF SQUARE OF DIGITS"; S
 END

USING SUB

DECLARE SUB SUM(N)
 CLS
 INPUT ENTER ANY NUMBER; N
 CALL SUM(N)
 END
 
 SUB SUM(N)
 S = 0
 WHILE N < > 0
 R = N MOD 10
 S = S + R ^ 2
 N = N  10
 WEND
 PRINT "SUM OF SQUARE OF DIGITS"; S
 END SUB