#include <iostream>
using namespace std;

// function square for int values
int square( int x )
{ 
   cout << "square of integer " << x << " is ";
   return x * x; 
} // end function square with int argument

// function square for double values
double square( double y ) 
{ 
   cout << "square of double " << y << " is ";
   return y * y; 
} // end function square with double argument

int main()
{
   cout << square( 7 ); // calls int version
   cout << endl;
   cout << square( 7.5 ); // calls double version
   cout << endl;
   return 0; // indicates successful termination
} // end main