public class Solution {

 public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int t = s.nextInt();
        String [] pair_left = new String[t];
        String [] pair_right = new String[t];
        
        for (int i = 0; i < t; i++) {
            pair_left[i] = s.next();
            pair_right[i] = s.next();
        }



        HashSet<String> strings = new HashSet<String>();

        // counter
        int lines = 0;


        for (int i = 0; i < t; i++){
            String concat = pair_left[i] + " " + pair_right[i];
            
            if(!strings.contains(concat)){
                strings.add(concat);
                lines++;
            }
            System.out.println(lines);
}