#include <bits/stdc++.h>

using namespace std;

int main() {
    int h, n;
    vector<int> v;
    
    cin >> h >> n;
    
    v.push_back(h);
    
    int tmp;
    for (int i = 0; i < n - 1; i++) {
        cin >> tmp;
        v.push_back(tmp);
    }
    
    sort(v.begin(), v.end(), greater<int>());
    
    for (int i = 0; i < n; i++) {
        if (v[i] == h) {
            string rank = to_string(i + 1);
            if (rank[rank.length() - 1] == '1') {
                cout << rank + "st" << endl;
            } else if (rank[rank.length() - 1] == '2') {
                cout << rank + "nd" << endl;
            } else if (rank[rank.length() - 1] == '3') {
                cout << rank + "rd" << endl;
            } else {
                cout << rank + "th" << endl;
            }
            
            break;
        }
    }
    return 0;
}