Task

Determine whether a given year is a leap year in the Gregorian calendar.



See also

 Leap year (wiki)


10 INPUT "ENTER A NUMBER, AND I'LL DETECT IF IT'S A LEAP YEAR OR NOT. ",A
20 IF A-(A/100)*100=0 AND A-(A/400)*400<>0 THEN RESULT$="NOT "
30 PRINT "THAT'S "RESULT$"A LEAP YEAR."