Need help with computer science homework, Language is C++

Write a program to check if a given integer between 5 and 50 is prime or not.

The program should at least contain 4 functions:

[4] int main() : Gets user input and calls all other functions.

bool checkInput(int) : Checks if the input is between 5 and 50.

bool checkPrime(int) : Checks if the number is prime or not.

void printResult(bool) : Prints out the number is prime or the number is not prime