#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define rep(i, n) for(int i=0;i<(n);++i)
#define rep1(i, n) for(int i=1;i<=(n);i++)
#define ll long long
using mint = modint998244353;
using P = pair<ll,ll>;
using lb = long double;
using T = tuple<ll, ll, ll>;
#ifdef LOCAL
#  include <debug_print.hpp>
#  define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)
#else
#  define dbg(...) (static_cast<void>(0))
#endif

int main()
{
	int t;
	cin >> t;
	while(t--){
		string s;
		int m;
		cin >> s >> m;
		int mod = 2*m;
		ll a = 0;
		rep(i,s.size()) {
			a *= 10;
			a += s[i]-'0';
			a %= mod;
		}
		dbg(a);
		ll ans = a * (a+1);
		ans %= mod;
		ans /= 2;
		ans %= m;
		cout << ans << endl;
	}
	return 0;
}