#include <iostream>
using namespace std;

int eleven(int a[20], int n)
{
  int i,v=0;
  for (i=0; i<n; i++)
    if (a[i] > 11)
    { v=1; break; }
  return v;
}

int main()
{
  int a[20],n,i,v;

  cin >> n;
  for (i=0; i<n; i++)
    cin >> a[i];

  v = eleven(a,n);
  if (v==1)
    cout << "Yes!\n";
  else
    cout << "No!\n";

  return 0;
}