#include <cstdio>
#include <algorithm>
#include <iostream>

using namespace std;

long long tn, a, b, c, k;

int main () {
	ios_base::sync_with_stdio(false);
	cin >> tn;
	while (tn--) {
		cin >> a >> b >> c >> k;
		cout << min(a, k - 1) + min(b, k - 1) + min(c, k - 1) + 1 << endl;
	}
	return 0;
}