/*
وَلَا تُخْزِنِي يَوْمَ يُبْعَثُونَ•يَوْمَ لَا يَنفَعُ مَالٌ وَلَا بَنُونَ•إِلَّا مَنْ أَتَى اللَّهَ بِقَلْبٍ سَلِيم❤
*/
#include <bits/stdc++.h>
#define ll long long
#define el endl
using namespace std;
void saf_sofa()
{
if (fopen("in.txt", "r"))
{
freopen("in.txt", "r", stdin);
freopen("out.txt", "w", stdout);
}
ios_base::sync_with_stdio(false);
cin.tie(NULL);
}
int dx[] = { 0, 0, 1, -1, 1, 1, -1, -1 };
int dy[] = { -1, 1, 0, 0, -1, 1, 1, -1 };
void solve()
{
int n, m, x, y;
cin >> n >> m >> x >> y;
for (int i = 0; i < n; i++)
{
int x;
cin >> x;
}
for (int i = 0; i < m; i++)
{
int x;
cin >> x;
}
cout << n + m << el;
}
int main()
{
saf_sofa();
int t_ = 1;
cin >> t_;
while (t_--)
{
solve();
}
}
/*
وَليتَ الذي بَيني وبينَك عامِرٌ وبَيني وبَينَ العَـٰالمينَ خرَابُ
*/
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