The task is to generate the correct answer for a given math problem.

Input: Consider Input: Problem: two numbers are in the ratio of 7 : 6 . if 18 be subtracted from each , they are in the ratio of 6 : 5 . find the numbers ?

Output: 7,6


Input: Consider Input: Problem: find the area of trapezium whose parallel sides are 20 cm and 18 cm long , and the distance between them is 10 cm ?

Output: 190 cm 


Input: Consider Input: Problem: find the minimum value of 5 cosa + 12 sina + 12


Output: - 1