#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main() {
    int h, n;
    cin >> h >> n;
    int a[n];
    a[0] = h;
    for (int i = 1; i < n; i++) cin >> a[i];
    sort(a, a+n);
    reverse(a, a+n);
    for (int i = 0; i < n; i++)
        if (a[i] == h) {
            i++;
            cout << i;
            if (i % 10 == 1) cout << "st\n";
            else if (i % 10 == 2) cout << "nd\n";
            else if (i % 10 == 3) cout << "rd\n";
            else cout << "th\n";
            break;
        }
    return 0;
}