Square with Macro and Inline Function

#include <iostream>
using namespace std;

#define SQUARE(x) (x*x)

inline int square(int x) {
   return x * x;
}

int main() {
   int n;
   cin >> n;
   int a=n,b=n;
   cout<<"Macro Square: "<<SQUARE(++a)<<endl;
   cout<<"Inline Square: "<<square(++b);
   return 0;
}