#include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define REP(i, n) rep(i, 0, n)
#define repb(i, a, b) for(int i = a; i >= b; i--)
#define all(a) a.begin(), a.end()
#define int long long
#define chmax(x, y) x = max(x, y)
#define chmin(x, y) x = min(x, y)
using namespace std;
typedef pair<int, int> P;
const int mod = 1000000007;
const int INF = 1e12;

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int h, n;
    cin >> h >> n;
    vector<int> a(n);
    rep(i, 0, n - 1) cin >> a[i];
    a[n - 1] = h;
    sort(all(a));
    int id = lower_bound(all(a), h) - a.begin();
    id = n - id;
    cout << id;
    if(id % 10 == 1)
        cout << "st" << endl;
    else if(id % 10 == 2)
        cout << "nd" << endl;
    else if(id % 10== 3)
        cout << "rd" << endl;
    else
        cout << "th" << endl;
}