描述

Little A is one member of ACM team. He had just won the gold in World Final. To celebrate, he decided to invite all to have one meal. As bowl, knife and other tableware is not enough in the kitchen, Little A goes to take backup tableware in warehouse. There are many boxes in warehouse, one box contains only one thing, and each box is marked by the name of things inside it. For example, if "basketball" is written on the box, which means the box contains only basketball. With these marks, Little A wants to find out the tableware easily. So, the problem for you is to help him, find out all the tableware from all boxes in the warehouse.

输入

There are many test cases. Each case contains one line, and one integer N at the first, N indicates that there are N boxes in the warehouse. Then N strings follow, each string is one name written on the box.

输出

For each test of the input, output all the name of tableware.

样例输入

3 basketball fork chopsticks
2 bowl letter

样例输出

fork chopsticks
bowl

提示

The tableware only contains: bowl, knife, fork and chopsticks.(根据该提示可以快速写出答案)

题目大意:Little A在比赛中获奖，准备和大家庆祝一番，结果发现自己的餐具不够,于是他去寻找餐具，我们的任务是从给出的物品中选出餐具(就是从给出的英文单词中选出要求的，提示中的四个bowl, knife, fork and chopsticks),读懂意思后，答案基本就出来了！

#include<stdio.h>
#include<string.h>
int main()
{
	int n;
	char ch[15];//支持最长的字符串为15
	while(scanf("%d",&n)!=EOF){
		while(n--)
		{
			scanf("%s",ch);
			if(strcmp(ch,"bowl")==0)printf("%s ",ch);
			else if(strcmp(ch,"knife")==0)printf("%s ",ch);
			else if(strcmp(ch,"fork")==0)printf("%s ",ch);
			else if(strcmp(ch,"chopsticks")==0)printf("%s ",ch);
		}
		printf("\n");
	}
	return 0;
}

Dinner