#include<bits/stdc++.h>
using namespace std;
int main(){
    int h,n;
    cin >> h >> n;
    int h1[n];
    h1[0]=h;
    for(int i=1; i<n; i++) cin >> h1[i];
    sort(h1,h1+n);
    //for(int i=0; i<n; i++) cout << h1[i] << endl;
    int i;
    for(i=0; i<n; i++) if(h1[i]==h) break;
    i=n-i;
    cout << i;
    if(i%10==1) cout << "st" << endl;
    else if(i%10==2) cout << "nd" << endl;
    else if(i%10==3) cout << "rd" << endl;
    else cout << "th" << endl;
}