#include <cstdint>
#include <fstream>
#include <iostream>
#include <string>
#include <vector>

struct Range {
  uint64_t lowerInclusiveBound = 0;
  uint64_t upperInclusiveBound = 0;
};

int main() {
  std::fstream input("input");
  std::string currentLine = "";
  std::getline(input, currentLine, '\n');
  std::vector<Range> ranges{};
  uint16_t positionOfHypen = 0;

  // Range and values are seperated by an empty \n
  while (currentLine != "") {
    positionOfHypen = currentLine.find('-');
    // Sorry its ugly but it just gets the numbers
    ranges.push_back({std::stoull(currentLine.substr(0, positionOfHypen)),
                      std::stoull(currentLine.substr(positionOfHypen + 1))});

    std::getline(input, currentLine, '\n');
  }

  uint64_t currentProduceID = 0, freshProduceCount = 0;
  while (std::getline(input, currentLine, '\n')) {
    currentProduceID = std::stoull(currentLine);
    for (Range currentRange : ranges) {
      if (currentRange.lowerInclusiveBound <= currentProduceID &&
          currentProduceID <= currentRange.upperInclusiveBound) {
        freshProduceCount++;
        break;
      }
    }
  }

  std::cout << freshProduceCount << std::endl;
  return 0;
}