#include<cstdio> #include<cstring> using namespace std; int main() { int N,d; char b[20],a[4][20]={"bowl","knife","fork","chopsticks"}; while(scanf("%d",&N)!=EOF) { d=0; while(N--) { scanf("%s",b); for(int i=0;i<4;i++) if(strcmp(b,a[i])==0) { d++; if(d==1) printf("%s",b); else printf(" %s",b); } } printf("\n"); } return 0; }