C programming language

Jojo and Lili want to play with a number.

Jojo: "What should we do to this number 2?"

Lili: "Let's multiply it by 2! 2 is enough."

Jojo: "I think 4 is okay."

Lili: "No we should add 1 to it!"

Jojo: "Yeah! 5 is perfect"

You are given a number N with a value of 1 and then you must do Q process to the number.Each process you should multiply the number by 2 and then add 1 to it. Given Q process what is the value of N after Q processes.

Format Input: The input consists of one line containing an integer Q the number of processes.

Format Output: Output the value of N after Q processes.

Constraints: 0 <= Q <= 30