You are the CEO of Nasty Hacks Inc., a company that
creates small pieces of malicious software which teenagers may
use to fool their friends. The company has just finished their
first product and it is time to sell it. You want to make as
much money as possible and consider advertising in order to
increase sales. You get an analyst to predict the expected
revenue, both with and without advertising. You now want to
make a decision as to whether you should advertise or not,
given the expected revenues.
Input
The input consists of cases, and the first line consists
of one positive integer giving . The next lines each contain integers, , and . The first, , is the expected revenue if you do
not advertise, the second, , is the expected revenue if you do
advertise, and the third, , is the cost of advertising. You
can assume that the input will follow these restrictions:
,
and .
Output
Output one line for each test case: “advertise”, “do not
advertise” or “does not matter”,
indicating whether it is most profitable to advertise or not,
or whether it does not make any difference.
| Sample Input 1 |
Sample Output 1 |
3
0 100 70
100 130 30
-100 -70 40
|
advertise
does not matter
do not advertise
|
