import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

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();
        }

//Write your code here
        HashSet<String> pairs = new HashSet<>();
        
        for(int i = 0 ; i < t; i++){
            String str = pair_left[i] + " " + pair_right[i];
            String rev = pair_right[i] + " " + pair_left[i];
            if(!pairs.contains(rev)){
                pairs.add(str);
            }
            System.out.println(pairs.size());
        }

   }
}