class ExponentiationBySquaring
{
	static int power(int x,int n){
		if(n==1)return x;
		if((n & 1)==0) return power(x*x,n/2);
		return x*power(x*x,(n-1)/2);
	}

	public static void main (String[] args) throws java.lang.Exception
	{

		System.out.println(power(2,11));
	}
}