## Pop Quiz!

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Points: 3
Time limit: 2.0s
Memory limit: 64M

Author:
Problem type

Suddenly, a wild Derek emerges from the shadows and surprises a student with a pop quiz! Derek asks the student multiplication questions, and if the student gets all the questions right, Derek awards the student with a whole chocolate bunny.

#### Input Specification

The first line of input contains one integer, , the number questions Mateo asked

The next lines contain three integers , and , being the multiplicand, multiplier and the student's product, respectively.

#### Output Specification

Output PERFECT if the student got everything right, or IMPERFECT if he did not.

#### Sample Input 1

3
2 5 10
4 6 24
10 7 70

#### Sample Output 1

PERFECT

#### Sample Input 2

5
123 43 5289
23 343 7315
1 34 34
500 500 250000
2 5 10

#### Sample Output 2

IMPERFECT

#### Explanation for Sample Output 2

The second question was answered incorrectly. 23x343 is 7889, not 7315, so the quiz was imperfect