#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
using ll=long long;
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
template<class T> bool chmax(T &a, T b){if (a < b){a = b;return true;} else return false;}
template<class T> bool chmin(T &a, T b){if (a > b){a = b;return true;} else return false;}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int T;
    cin>>T;
    while(T--){
        string S;
        ll M;
        cin>>S>>M;
        int L=S.size();
        ll N=0;
        for(int i=0;i<L;i++){
            N=10*N+S[i]-'0';
            N%=M;
        }
        cout<<N*(N+1)/2%M<<"\n";
    }
}