3.15 LAB: Branches: Seasons // Coral Write a program that takes a date as input and outputs the date's season. The input is an integer to represent the month and an integer to represent the day.

Ex: If the input is: 4 11

the output is: spring

In addition, check if both integers are valid (an actual month and day). Ex: If the input is: 14 65

the output is:

invalid

The dates for each season are:

spring: March 20 - June 20

summer: June 21 - September 21

autumn: September 22 - December 20

winter: December 21 - March 19