using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var t = NN;
        var ans = new long[t];
        for (var u = 0; u < t; ++u)
        {
            var s = ReadLine().Split();
            var n = s[0];
            var m = int.Parse(s[1]);
            var b0 = n.Select(i => i - '0').ToList();
            var b1 = b0.ToList();
            Increment(b1);
            if (b0[^1] % 2 == 0) Half(b0);
            else Half(b1);
            var b0m = 0L;
            for (var i = 0; i < b0.Count; ++i) b0m = (b0m * 10 + b0[i]) % m;
            var b1m = 0L;
            for (var i = 0; i < b1.Count; ++i) b1m = (b1m * 10 + b1[i]) % m;
            ans[u] = b0m * b1m % m;
        }
        WriteLine(string.Join("\n", ans));
    }
    static void Increment(List<int> b)
    {
        for (var i = b.Count - 1; i >= 0; --i)
        {
            b[i] = (b[i] + 1) % 10;
            if (b[i] != 0) break;
        }
        if (b[0] == 0) b.Insert(0, 1);
    }
    static void Half(List<int> b)
    {
        var take = 0;
        for (var i = 0; i < b.Count; ++i)
        {
            if ((b[i] + take * 10) % 2 == 1)
            {
                b[i] = (b[i] + take * 10) / 2;
                take = 1;
            }
            else
            {
                b[i] = (b[i] + take * 10) / 2;
                take = 0;
            }
        }
    }
}