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

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int H, N;
    cin >> H >> N;
    vector<int> Hs(N - 1);
    for (auto & h : Hs) cin >> h;
    int r = 1;
    for (int i = 0; i != Hs.size(); ++i){
        if (Hs[i] > H) ++r;
    }
    if (r % 10 == 1){
        cout << r << "st" << endl;  // 11th でなく、11st
    }else if (r % 10 == 2){
        cout << r << "nd" << endl;  // 12th でなく、12nd
    }else if (r % 10 == 3){
        cout << r << "rd" << endl;  // 13th でなく、13rd
    }else{
        cout << r << "th" << endl;
    }
    return 0;
}