#include<stdio.h>
#include<string.h>
int main()
{
    char a[1001], n;
    char b[10][100] ={"bowl", "knife", "fork", "chopsticks"};
    while (scanf("%d",&n) != EOF)
    {
        int i, j;
        for (i = 0; i < n; i++)
        {
            scanf("%s",a);
            for (j = 0; j < 4; j++)
            {
                if (strcmp(a, b[j]) == 0)
                    printf("%s ",a);
            }
        }
        printf("\n");
    }
    return 0;
}