#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main()
{
	int NUM;
	cin>>NUM;
	vector<int> jg;
	for(int i=0;i<NUM;i++)
	{
		int NUM1;
		cin>>NUM1;
		vector<int> zj;
		int sum=0;
		for(int j=0;j<NUM1;j++)
		{
			int t;
			cin>>t;
			zj.push_back(t);
			sum=sum+t;
		}
		sort(zj.begin(),zj.end());
		int df=0;
		if(NUM1%2==0)
		{
			for(int j=0;j<NUM1/2;j++)
			{
				if(zj[j]%2==0)
				{
					df=df+zj[j]/2;
				}else if(zj[j]%2==1)
				{
					df=df+zj[j]/2+1;
				}
			}
		}else if(NUM1%2==1)
		{
			for(int j=0;j<NUM1/2+1;j++)
			{
				if(zj[j]%2==0)
				{
					df=df+zj[j]/2;
				}else if(zj[j]%2==1)
				{
					df=df+zj[j]/2+1;
				}				
			}			
		}
		//cout<<sum<<"-"<<df<<endl;
		jg.push_back(sum-df+1);
	}
	for(int i=0;i<jg.size();i++)
	{
		cout<<jg[i]<<" hlasu zajisti strane vitezstvi."<<endl;
	}
	return 0;
}