expr.go

package main

func main()int{
	var i int;
	a:=10;
	b:=20;
	c:=30;
	u:=0;
	a=a-b;
	u=a-c;
	u=a*b+c-u;
	return u;
	p:=100;
	r:=150;
	z:=0;
	z = p+r;
}