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public class TwoPowers {
    static boolean isPower(int x){
        if(x == 1){
            return true;
        }

        if(x%2 != 0){
            return false;
        }

        return isPower(x/2);
    }

    public static void main(String[] args) {
        System.out.println(isPower(2048));
    }
}