var a : int
var b : int
function main ()
begin
	a = -3
	a = a+0
	a = 3+4
	a = 3+a
	a = (a+3)+4
	a = (a+3)+b
	a = a+(b+3)
	a = a-3
	a = a*0
	a = a*1
	a = 3*4
	a = (a+3)*4
end