#include <iostream>

int main(){
    int H, N;
    int count =1;
    std::cin >> H >> N; std::cin.ignore();
    
    for(int t; std::cin>>t;){
        if(t>H) count++;
    }
    
    switch(count){
        case 1:
        std::cout << "1st" << std::endl; break;
        case 2:
        std::cout <<"2nd" <<std::endl; break;
        case 3:
        std::cout << "3rd" <<std::endl; break;
        default:
        std::cout << count << "th" <<std::endl; break;
    }
    return 0;
}