#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
using namespace std;

int main()
{
    int h, n;
    cin >> h >> n;

    int ans = 1;
    for(int i=0; i<n-1; ++i){
        int x;
        cin >> x;
        if(x > h)
            ++ ans;
    }

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

    return 0;
}