package domasna;
import javax.swing.SingleSelectionModel;
import java.io.BufferedReader;
import java.io.*;

public class zadaca {

    public static void main(String[] args)throws Exception {
        // TODO Auto-generated method stub
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int n = Integer.parseInt(br.readLine());

        String line = null;
        String [] parsedLine = null;
        int brojac = 0;
        String maxZbir = null;
        int maxBroj = 0;
        for (int i=0;i<n;i++ ){
            line = br.readLine();
            parsedLine = line.split("#");

            for (int j=0; j<parsedLine.length;j++){
                brojac =0;
                for (int k =0;k<parsedLine[j].length();k++){
                    if(Character.isAlphabetic(parsedLine[j].charAt(k))){
                        brojac++;
                    }
                }
                if(brojac > maxBroj){
                    maxBroj = brojac;
                    maxZbir = parsedLine[j];
                }
            }
        }
        System.out.println(maxZbir);
    }

}