@a[1] a,b
	print "a+b="+(a+b)
_@

@a[2] a,b
	print "a-b="+(a-b)
_@

@a[3] a,b
	print "a*b="+(a*b)
_@

@a[2+2] a,b
	print "a/b="+(a/b)
_@

print "a=3 b=4"

for i=1 to 4
	a[i] 3,4
next i





