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

Input: Consider Input: Problem: robert ' s salary was decreased by 20 % and subsequently increased by 20 % . how much percentage does he lose ?

Output: 4 %


Input: Consider Input: Problem: a worker is paid a regular rate of rs . 30 for completing a survey . the worker completes 100 surveys per week . for any survey involving the use of her cellphone , she is paid at a rate of that is 20 % higher than her regular rate . if she completed 50 surveys involving the use of her cellphone , how much did she get that week ?

Output: 330


Input: Consider Input: Problem: a number when divided by 133 leaves 16 as a remainder . what will be the remainder if the number is divided by 50 ?


Output: 49