public class Android {
public static int tag = 1;
public String name;
    public Android(String name){
        this.name = "Bob" + tag;
        changeTag();
    }
    public String getName(String name){
        return name;
    }
    private static boolean isPrime(int n){
        if (n == 2){
            return true;
        }
        if (n%2==0)
            return false;
        for(int i=3;i*i<=n;i+=2) {
            if(n%i==0)
                return false;
        }
        return true;
    }
    private static void changeTag(){
    int i = tag+1;
        while(isPrime(i) == false){
            i++;
        }
        tag=i;
    }
}