#include <iostream>
#include <vector>
#include <algorithm>
#include <string>

int main() {
    int h, n;
    std::cin >> h >> n;
    std::vector<int> hi(n);
    hi[0] = h;
    for (int i = 1; i < n; i++) {
        std::cin >> hi[i];
    }

    std::sort(hi.begin(), hi.end(), std::greater<int>());
    int r = std::find(hi.begin(), hi.end(), h) - hi.begin() + 1;
    
    std::string s = std::to_string(r);
    if (r % 10 == 1) {
        s += "st";
    } else if (r % 10 == 2) {
        s += "nd";
    } else if (r % 10 == 3) {
        s += "rd";
    } else {
        s += "th";
    }
    std::cout << s << std::endl;
}