#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int n;
int main(){
    cin >> n;
    while(n--) {
        ll a, b;
        cin >> a >> b;
        while(a > 0 && b > 0) {
            if(a < b) a--;
            else a /= 2;
            if(a == 0 || b == 0) break;
            if(b < a) b--;
            else b /= 2;
        }
        cout << a << " " << b << "\n";
    }
    return 0;
}