#include<iostream>
#include<vector>
using namespace std;
int main(){
    int H,N,x,count=1;
    cin >> H >> N;
    N--;
    while(N--){
        cin >> x;
        if(x>H) count++;
    }
    if(count==1)    cout << "1st\n";
    else if(count==2)   cout << "2nd\n";
    else if(count==3)   cout << "3rd\n";
    else cout << count << "th\n"; 
    return 0;
}