proibido

#include<bits/stdc++.h>
using namespace std;

set<int> s;

int main() {

   int n; scanf("%d", &n);

   while(n--){
      int num;
      scanf("%d", &num);
      s.insert(num);
   }

   int p;
   while(scanf("%d", &p) != EOF) {
      if(s.find(p) == s.end()){
         printf("nao\n");
      }
      else{
         printf("sim\n");
      }
   }

}