Brush-1

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int t;
	cin>>t;
	for(int i=1;i<=t;i++)
	{
		int x,sum=0;
		cin>>x;
		for(int j=1;j<=x;j++)
		{
			int y;
			cin>>y;
			if(y>0)
			{
				sum+=y;
			}
		}
	cout<<"Case"<<" "<<i<<":"<<" "<<sum<<endl;
}

	}