#include <bits/stdc++.h>
#define rep(i,n) for (int i=0; i<(n); ++i)
using namespace std;
using ll=long long;
int main(){
    int x,n;
    cin>>x>>n;
    vector<int>h(n-1);
    int ans=1;
    rep(i,n-1){
        cin>>h[i];
        if(x<h[i])ans++;
    }
    string s=to_string(ans);
    int y=s.length();
    if(s[y-1]=='1'){
        cout<<s+"st"<<endl;
    }
    else if(s[y-1]=='2'){
        cout<<s+"nd"<<endl;
    }
    else if(s[y-1]=='3'){
        cout<<s+"rd"<<endl;
    }
    else{
        cout<<s+"th"<<endl;
    }
}