import java.util.*;

public class Exercise57{
  public static void main (String[] args){

    Scanner sc = new Scanner(System.in);

    int n = sc.nextInt();

    int[] percentages = new int[n];

    for (int i = 0; i < n; i++){
      percentages[i] = sc.nextInt();
    }

    Arrays.sort(percentages);

    int gcm = 0;
    if (n < 2){
      gcm = 100;
    }else{
      gcm = ea(percentages[1], percentages[0]);
      for(int i = 2; i < n; i++){
        gcm = ea(percentages[2], gcm);
      }
    }

    System.out.println(100 / gcm);
  }
  private static int ea (int biggerNum, int smallerNum){
    int mod = biggerNum % smallerNum;
    if (mod == 0){
      return smallerNum;
    } else {
      return ea(smallerNum, mod);
    }
  }
}