Complementary Angle Calculator

Little R learned about complementary angles today. Given an angle A, its complementary angle B can be calculated using the formula:

$$\angle B = 90^\circ - \angle A$$

Your task is to compute the complementary angle B for a provided angle A.

inputFormat

The input consists of a single integer A (in degrees), representing the given angle.

outputFormat

Output a single integer, the computed complementary angle B.

sample

30

60