#include <bits/stdc++.h>

struct P {
    long long count = 0;
    long long value = 0;
};

void solve() {
    std::string s;
    int mod;
    std::cin >> s >> mod;
    std::vector<int> a;
    for (auto c: s) a.push_back(c - '0');
    std::ranges::reverse(a);
    int n = a.size();

    std::vector dp(n + 1, std::vector<P>(2));
    dp[0][0].value = 0;
    dp[0][0].count = 1;
    long long p10 = 1;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < 2; j++) {
            for (int digit = 0; digit < 10; digit++) {
                int greater = 1;
                if (digit < a[i]) greater = 0;
                if (j == 0 && digit == a[i]) greater = 0;
                dp[i + 1][greater].count += dp[i][j].count;
                dp[i + 1][greater].count %= mod;
                dp[i + 1][greater].value += (p10 * digit % mod * dp[i][j].count % mod) + dp[i][j].value;
                dp[i + 1][greater].value %= mod;
            }
        }
        p10 *= 10;
        p10 %= mod;
    }
    std::cout << dp.back()[0].value << '\n';
}

int main() {
    std::cin.tie(0)->sync_with_stdio(0);
    std::cout << std::fixed << std::setprecision(16);
    int t = 1;
    std::cin >> t;
    while (t--) solve();
}