#include <iostream>
#include <algorithm>

using namespace std;

int main ()
{
	int N;
	int K = 6;
	cin >> N;
	int array[N][K];

	for (int i = 0; i < N; ++i)
	{
		for (int j = 0; j < K; ++j)
		{
			cin >> array[i][j];
		}
	}

	int Z = 2;
	int new_array[N][Z];
	for (int i = 0; i < N; ++i)
	{
		for (int j = 0; j < Z; ++j)
		{
			new_array[i][j] = 0;
		}
	}


	int count = 0;
	for (int i = 0; i < N; ++i)
	{
		for (int j = 0; j < K; ++j)
		{
			if(j == 0)
			{
				new_array[i][0]+= (array[i][j]*3600);


 			}

 			if(j == 1)
			{
				new_array[i][0]+= array[i][j] *60;
 			}
 			if(j == 2)
			{
				new_array[i][0]+= array[i][j];
 			}
 			if(j == 3)
			{
				new_array[i][1]+= array[i][j] * 3600;
 			}
 			if(j == 4)
			{
				new_array[i][1]+= array[i][j] *60;
 			}
 			if(j == 5)
			{
				new_array[i][1]+= array[i][j];
 			}

		}
	}

	for (int i = 0; i < N; ++i)
	{
		for (int j = 0; j < Z; ++j)
		{
			cout << new_array[i][j] << endl;
		}
	}








}