#include <iostream.h>

double fun(double A[5][5])
{

}
void main()
{
	double A[5][5] =
	{
		{4431.3, 45.56, 5697.65, 768.678, 122.45},
		{444.4, 34.545, 5667.656, 2548.678, 1562.45},
		{537.3, 655.5456, 5677.65, 7168.678, 1242.45},
		{134.3, 454.5486, 5637.65, 7687.678, 1322.45},
		{189.3, 445.5786, 5677.65, 7528.678, 142.45}
	};
	cout<<fun(A)<<endl;
	return ;
}