import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int t = sc.nextInt();
        String result = IntStream.range(0, t).mapToObj(i -> {
            char[] input = sc.next().toCharArray();
            int m = sc.nextInt();
            int length = input.length;
            long base = 0;
            long half = 0;
            boolean isOdd = false;
            for (char c : input) {
                int x = c - '0';
                base *= 10;
                base += x;
                base %= m;
                half *= 10;
                half += isOdd ? 5 : 0;
                half += x / 2;
                half %= m;
                isOdd = (x % 2 == 1);
            }
            if (isOdd) {
                half++;
            } else {
                base++;
            }
            return String.valueOf(base * half % m);
        }).collect(Collectors.joining("\n"));
        System.out.println(result);
    }
}
class Scanner {
    BufferedReader br;
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() {
        try {
            br = new BufferedReader(new InputStreamReader(System.in));
        } catch (Exception e) {
            
        }
    }
    
    public int nextInt() {
        return Integer.parseInt(next());
    }
    
    public long nextLong() {
        return Long.parseLong(next());
    }
    
    public double nextDouble() {
        return Double.parseDouble(next());
    }
    
    public String next() {
        try {
            while (!st.hasMoreTokens()) {
                st = new StringTokenizer(br.readLine());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            return st.nextToken();
        }
    }
    
}