PHP Compiler Testing
Correct Inequality Signs

Create a function that returns True if a given inequality expression is correct and False otherwise.

Examples

correct_signs("3 < 7 < 11") ➞ True

 

correct_signs("13 > 44 > 33 > 1") ➞ False

 

correct_signs("1 < 2 < 6 < 9 > 3") ➞ True