#include <bits/stdc++.h>
using namespace std;

void f(int a){
  cout<<a+1;
  a%=10;
  if(a==0)cout<<"st";
  if(a==1)cout<<"nd";
  if(a==2)cout<<"rd";
  if(a>=3)cout<<"th";
  cout<<endl;
  exit(0);
}

signed main(){
  int h;cin>>h;
  int n;cin>>n;
  vector<int> v(n);v[0]=h;
  for(int i=1;i<n;i++)cin>>v[i];
  sort(v.rbegin(),v.rend());
  for(int i=0;i<n;i++)if(v[i]==h)f(i);
}