#include <iostream>
double power(double number, int pow) {
  // Your code here
}

int main() {
  double inputNum;
  int inputPow;
  std::cout << "Input number and power: ";
  std::cin >> inputNum >> inputPow;
  if (inputPow < 0) {
    std::cout << "Invalid Input";
    return 0;
  }
  double result = power(inputNum, inputPow);
  std::cout << "power(" << inputNum << ", " << inputPow << ") ==  " << result;
  std::cout << std::endl;
}

double power(double number, int pow) {
   if (pow == 0) {
      return 1; 
   }
}