#define  _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <algorithm>
#include <utility>
#include <functional>
#include <cstring>
#include <queue>
#include <stack>
#include <math.h>
#include <iterator>
#include <vector>
#include <string>
#include <set>
#include <math.h>
#include <iostream>
#include <random>
#include<map>
#include <iomanip>
#include <time.h>
#include <stdlib.h>
#include <list>
#include <typeinfo>
#include <list>
#include <set>
#include <cassert>
#include<fstream>
#include <unordered_map>
#include <cstdlib>
using namespace std;
#define Ma_PI 3.141592653589793
#define eps 0.00000000000000000000000001
#define LONG_INF 10000000000000000
#define GOLD 1.61803398874989484820458
#define MAX_MOD 1000000007
#define REP(i,n) for(long long i = 0;i < n;++i)
int main() {
	int a, b;
	cin >> a >> b;
	vector<int> geko;
	geko.push_back(a);
	REP(i, b - 1) {
		int c;
		cin >> c;
		geko.push_back(c);
	}
	sort(geko.begin(), geko.end(), greater<int>());
	for (int i = 0;i < geko.size();++i) {
		if (geko[i] == a) {
			if (i%10 == 0) {
				cout << i+1<<"st" << endl;
			}
			else if (i%10 == 1) {
				cout << i+1 <<"nd" << endl;
			}
			else if (i%10 == 2) {
				cout << i+1 << "rd" << endl;
			}
			else {
				cout << i + 1 << "th" << endl;
			}
			return 0;
		}
	}
}