#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define FORD(i, a, b) for (int i = (a); i >= (b); --i)
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define maxc 1000000007
#define maxn 100005
#define maxm 500005
#define pii pair <int,int>
#define Task "Košnja"
using namespace std;
int n,x,y;
int main()
{
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
//freopen(Task".inp", "r",stdin);
//freopen(Task".out", "w",stdout);
cin >> n;
while (n--)
{
cin >> x >> y;
if (x > y) swap(x,y);
if (x & 1) cout << x / 2 * 4 << '\n';
else cout << x * 2 - 2 << '\n';
}
return 0;
}
