def test_equals_2(self):
     self.assertEqual(tickets([25, 100]), "NO")
 def test_equals(self):
     self.assertEqual(tickets([25, 25, 50]), "YES")
 def test_equals_7(self):
     self.assertEqual(tickets([50]), "NO")
 def test_equals_8(self):
     self.assertEqual(
         tickets(
             [25, 25, 25, 25, 25, 25, 25, 50, 50, 50, 100, 100, 100, 100]),
         "NO")
 def test_equals_6(self):
     self.assertEqual(tickets([25]), "YES")