using namespace std;

int main()
{
int a, b, c;
cout << "Please enter three nonzero double values:\n";
cin >> a >> b >> c;
if ((a + b )> c&&(a + c) > b&&(b + c) > a)
cout << "They could represent the sides of a triangle.";
else
cout << "They could not represent the sides of a triangle.";
return 0;
}