#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); i++)
using namespace std;
typedef long long ll;

int main(){
	int nama, n; cin>>nama>>n;
	vector<int> v(n);
	v[0]=nama;
	for(int i=1; i<n; i++) cin>>v[i];
	sort(v.begin(), v.end(),greater<int>());
	rep(i,n){
		if(v[i]==nama){
			nama=i+1;
			break;
		}
	}
	if(nama%10==1) cout << nama << "st" << endl;
	else if(nama%10==2) cout << nama << "nd" << endl;
	else if(nama%10==3) cout << nama << "rd" << endl;
	else cout << nama << "th" << endl;	
}