/* -*- coding: utf-8 -*-
 *
 * 2649.cc:  No.2649 [Cherry 6th Tune C] Anthem Flower - yukicoder
 */

#include<cstdio>
#include<cstring>
#include<vector>
#include<algorithm>
 
using namespace std;

/* constant */

const int MAX_N = 4000000;

/* typedef */

typedef long long ll;
typedef vector<int> vi;

/* global variables */

char s[MAX_N + 4];

/* subroutines */

void printv(vi &a) {
  for (int i = a.size() - 1; i >= 0; i--) printf("%d", a[i]);
  putchar('\n');
}

void incv(vi &a) {
  int co = 1;
  for (auto &ai: a) {
    int di = ai + co;
    ai = di % 10;
    co = di / 10;
  }
  if (co > 0) a.push_back(co);
}

void divv(vi &a, int b) {
  int r = 0;
  for (int i = a.size() - 1; i >= 0; i--) {
    r = (r * 10 + a[i]);
    a[i] = r / b;
    r %= b;
  }
  while (! a.empty() && a.back() == 0) a.pop_back();
}

int modv(vi &a, int b) {
  int r = 0;
  for (int i = a.size() - 1; i >= 0; i--)
    r = (r * 10 + a[i]) % b;
  return r;
}

/* main */

int main() {
  int tn;
  scanf("%d", &tn);

  while (tn--) {
    int m;
    scanf("%s%d", s, &m);
    int n = strlen(s);

    vi a(n);
    for (int i = 0; i < n; i++) a[i] = s[n - 1 - i] - '0';

    vi b(a);
    incv(b);
    //printv(a), printv(b);

    if (! (a[0] & 1)) divv(a, 2);
    else divv(b, 2);
    //printv(a), printv(b);

    int ra = modv(a, m), rb = modv(b, m);
    int r = (ll)ra * rb % m;
    printf("%d\n", r);
  }

  return 0;
}