#include <iostream>
using namespace std;
unsigned char ArOfShp (int);
int main ()
{
    int sqsd;
    cout << "Enter square side: ";
    /*cin >> sqsd;*/sqsd = 14;
    cout << "The square area is: " << (int)ArOfShp (sqsd) << "\n\n";
    return 0;
}
 
unsigned char ArOfShp (int a)
{
    int c;
    return c=a*a;
}

Enter square side: The square area is: 196