using System;

​

public class Vec3 {

    float x, y, z;

    public Vec3(float x, float y, float z){

        this.x = x;

        this.y = y;

        this.z = z;

    }

    public void print() {

        Console.WriteLine("<" + x + "," + y + "," + z + ">");   

    }

}

​

public class Program{

    public static void Main() {

        Vec3 v = new Vec3(1, 2, 3);

        v.print();

    }

}