#include <iostream>
#include <math.h>
#include <algorithm>
#include <functional>
#include <vector>
#include <typeinfo>
#include <climits>
#include <ctype.h>
#include <string>
#include <stdio.h>
using namespace std;
#define INIT cin.tie(0); ios::sync_with_stdio(false);
#define FOR(i, a, n) for (int i = a; i < n; i++)
#define REP(i, n) for(int i = 0; i < n; i++)

int main()
{
    INIT;

    int h, n;
    vector<int> v;
    cin >> h >> n;
    v.push_back(h);

    int tmp;
    REP(i, n - 1){
        cin >> tmp;
        v.push_back(tmp);
    }


    sort(v.begin(), v.end(), greater<int>());
    int idx;
    REP(i, v.size()){
        if(h == v[i]){
            idx = i + 1;
            break;
        }
    }

    if(idx % 10 == 1) cout << idx << "st" << endl;
    else if(idx % 10 == 2) cout << idx << "nd" << endl;
    else if(idx % 10 == 3) cout << idx << "rd" << endl;
    else cout << idx << "th" << endl;
    


    return 0;
}