//DoWhileOp.java
//用do-while語句計(jì)算10的階乘
public class DoWhileOp
{
	public static void main(String args[])
	{
		int n=10;
		long result=1;
		do
			result*=n--;
		while(n>=1);
		System.out.println("10!="+result);
	}
}