#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string>
#include <cstring>
#include <cctype>
#include <cmath>
#include <stack>
#include <queue>
#include <vector>
#include <set>
#include <map>
#include <list>
#include <stdio.h>
#include <string.h>
#include <cstdlib>
#include <math.h>
#include <bitset>
#include <iterator>
#include <iomanip>
#include <sstream>
#define INF 2000000000
using namespace std;
int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1};
#define sym cout<<"---------"<<endl;
#define ll long long
#define PL pair<long long, long long>
#define P pair<int,int>
#define mk make_pair
#define en endl
#define WHITE 0
#define BLACK 2
#define GRAY 1
#define RE return 0
#define int ll


signed main(){
  int h,n;
  cin>>h>>n;
  vector<int> ve;
  for(int i=0; i<n-1; i++){
    int a;
    cin>>a;
    ve.push_back(a);
  }
  ve.push_back(h);
  sort(ve.begin(), ve.end());
  int ans=lower_bound(ve.begin(), ve.end(), h)-ve.begin();
  ans=n-ans;
  cout<<ans;
  string s=to_string(ans);
  if(s[s.size()-1]=='1') cout<<"st"<<en;
  else if(s[s.size()-1]=='2') cout<<"nd"<<en;
  else if(s[s.size()-1]=='3') cout<<"rd"<<en;
  else cout<<"th"<<en;
}