IsLeap:	andi $a1, $a0, 3 #a0 is year to test
	bnez $a1 NotLeap
	li $a1, 100
	div $a0, $a1
	mfhi $a1
	bnez $a1, Leap
	mflo $a1
	andi $a1, $a1, 3
	bnez $a1, NotLeap
Leap:	li $v0, 1
	jr $ra
NotLeap:li $v0, 0
	jr $ra