package ch11_3;

public class monkey {

	/**
	 * Program: the problem of monkey eating peaches
	 * Name: Shaw
	 */
	public static void main(String[] args) {
		// TODO 自動生成方法存根
		int i,sum=1;
		for(i=1;i<10;i++)
		{
			sum=(sum+1)*2;
		}
		System.out.println(sum);
	}

}