public class Main {
    interface YouFace {
        String getName();
    }

    static class Posylatel<Y> {
        Y you;

        Posylatel(Y you) {
            this.you = you;
        }

        public void say() {
            System.out.printf("Poshol na huy %s\n", ((YouFace)you).getName());
        }
    }

    static class You implements YouFace {
        private final String name;

        You(String name) {
            this.name = name;
        }

        @Override
        public String getName() {
            return name;
        }
    }

    public static void main(String[] args) {
        var me = new Posylatel<YouFace>(new You("Pidor"));
        me.say();
    }
}