#include <iostream>
#include <vector>
using namespace std;
 
int main() {
   int numElements;
   int lowerBound;
   int upperBound;
 
   cin >> numElements;
 
   vector<int> numInts(numElements);
   for(int i = 0; i < numElements; ++i) {
      cin >> numInts.at(i);
      }
   cin >> lowerBound;
   cin >> upperBound;
 
   for(int i = 0; i < numElements; ++i) {
      if(numInts.at(i) >= lowerBound && numInts.at(i) <= upperBound) {
         cout << numInts.at(i) << ",";
      }
   }
 
   cout << endl;
 
   return 0;
}

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