var input = require("fs").readFileSync("input.txt").toString();
var inputjson = "[{" + input.replace(/([a-z])=</g, "\"$1\": [").replace(/>/g, "]").replace(/\n/g, "},\n{").slice(0,-3) + "]";
var objects = JSON.parse(inputjson);
for(var i = 0; i < 10000; i++){
	objects = objects.map(o=>{
		o.v = o.v.map((v,x)=>(v + o.a[x]));
		o.p = o.p.map((p,x)=>(p + o.v[x]));
		return o;
	});
	var locations = objects.map(o=>(o.p));
	var locationsStr = locations.map((a)=>(a.join(",")));
	objects = objects.filter((a)=>(locationsStr.filter((b)=>(b==a.p.join(","))).length == 1));
	console.log(objects.length);
}