C :

#include<stdio.h>
#include<string.h>
 
char tw[4][15]={"bowl","knife","fork","chopsticks"};
 
int main()
{
	int n,i,c;
	char s[15];
	while(scanf("%d",&n)!=EOF)
	{
		c=0;
		while(n--)
		{
			scanf("%s",s);
			for(i=0;i<4;i++)
				if(!strcmp(s,tw[i]))
				{
					c++;
					if(c==1)
						printf("%s",s);
					else
						printf(" %s",s);
					break;
				}
		}
		printf("\n");
	}
	return 0;
}

C++ :

#include<stdio.h>
#include<string.h>
 
char tw[4][15]={"bowl","knife","fork","chopsticks"};
 
int main()
{
	int n,i,c;
	char s[15];
	while(scanf("%d",&n)!=EOF)
	{
		c=0;
		while(n--)
		{
			scanf("%s",s);
			for(i=0;i<4;i++)
				if(!strcmp(s,tw[i]))
				{
					c++;
					if(c==1)
						printf("%s",s);
					else
						printf(" %s",s);
					break;
				}
		}
		printf("\n");
	}
	return 0;
}

Java :

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		final String[] cooks = {"bowl", "knife", "fork", "chopsticks"};
		while(in.hasNext()){
			int n = in.nextInt();
			String[] ss = new String[n];
			StringBuffer sb = new StringBuffer();
			for(String s:ss){
				s = in.next();
				for(String tem:cooks)
					if(s.equals(tem))
						sb.append(" ").append(s);
			}
			System.out.println(sb.toString().substring(1));
		}
		
		
		
	}

}