#include<iostream>
#include<cstdlib>
using namespace std;
main()
{
	int i,n,t1,t2,t3,o;
	string ime,prezime;
	cout<<"Unesite broj ucenika:";
	cin>>i;

	for(n=1;n<=i;n++)
	{
		    cout<<"Ucenik:";
		    cout<<"unesite ime:";
			cin>>ime;
			cout<<"unesite prezime:";
			cin>>prezime;
			cout<<"Unesite Test 1:";
			cin>>t1;
			cout<<"Unesite Test 2:";
			cin>>t2;
			cout<<"Unesite Test 3:";
			cin>>t3;
			cout<<"Unesite promjenu ocjene:";
			o=t1+t2+t3;
			cout<<(float)o/3<<endl<<endl;
	}
	return 0;
}