#include <iostream>
using namespace std;

int main() {
  int summary = 0, amount = 0, temp, a, b;
  bool isEnded = false;

  cout << "Enter a: ";
  cin >> a;
  cout << "Enter b: ";
  cin >> b;

  while (!isEnded) {
    cin >> temp;
    if (temp == 0) {
      isEnded = true;
    } else {
      if (temp >= a && temp <= b) {
        summary += temp;
        amount++;
      }
    }
  }
  cout << "Amount = " << amount << endl << "Summary = " << summary;
  return 0;
}