Temperature

// temp conversion
#include <iostream>


int convert_fahrenheit();
int convert_celsius();


int main()
{

  std::cout << "Please indicate your choice of temperature scale with f for 'fahrenheit' or c for 'celsisu'." << std::endl;
  char tempscale;
  std::cin >> tempscale;
  if (tempscale == 'f')
  {
      convert_fahrenheit();
  }
  else if (tempscale == 'c')
  {
      convert_celsius();
  }
  else
  {
      std::cout << "That is not a correct input. Please rerun this program." << std::endl;
  }

return 0;

}

int convert_fahrenheit()
{
    int temperature;
    std::cout << "Please enter your temperature in degrees fahrenheit." << std::endl;
    std::cin >> temperature;
    int temprevised = temperature - 32;
    std::cout << "The temperature in degrees celsius is " << temprevised * 5/9 << std::endl;
    return 0;

}

int convert_celsius()
{
    int temperature;
    std::cout << "Please enter your temperature in degrees celsius." << std::endl;
    std::cin >> temperature;
    std::cout << "The temperature in degrees fahrenheit is " << temperature * 9/5 - 32 << std::endl;
    return 0;
}