#include <bits/stdc++.h>
#define int long long 
using namespace std;

signed main() {
int H, N;
cin >> H >> N;

vector<int> A(N);
A.at(0) = H;
for( int i = 1; i < N; i++ ) cin >> A.at(i);
sort(A.rbegin(), A.rend());

for( int i = 0; i < N; i++ ){
if( A.at(i) == H ){
string S = to_string(i+1);
if( S.back() == '1' ) S += "st";
else if( S.back() == '2' ) S += "nd";
else if( S.back() =='3' ) S += "rd";
else S += "th";
cout << S << endl;
return 0;
}
}


}