#include <bits/stdc++.h>

using namespace std;
#define endl '\n'
#define int long long

void solve() {
    int a, b; cin >> a >> b;
    while(b % 2 == 0) b /= 2;
    while(b % 5 == 0) b /= 5;
    const int up = 1e9;
    pair<int, int> ans = {up, up};
    for(int i = 1; i <= up; i *= 2) {
        for(int j = 1; i * j <= up; j *= 5) {
            int d = b * i * j;
            if(d > up) break;
            // c = kb - a * 2 ^ i * 5 ^ j
            // k >= (a * i * j + b - 1) / b
            int v = a * i * j;
            int k = (v + b - 1) / b;
            ans = min(ans, {k * b - v, d});
        }
    }
    auto [c, d] = ans;
    cout << c << ' ' << d << endl;
}
signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int T = 1;
    cin >> T;
    while (T--) {
        solve();
    }

    return 0;
}