import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int N = sc.nextInt();
    int[] a = new int[N];
    for(int i = 0; i < N; i++) {
      a[i] = sc.nextInt();
    }
    int ans = 0;
    for(int x = 1; x < N; x++) {
      boolean flg = true;
      for(int i = 0; i < N; i++) {
        if((x * a[i]) % 100 != 0) {
          flg = false;
          break;
        }
      }
      if(flg) {
        ans = x;
        break;
      }
    }
    System.out.println(ans);
  }
}