#include <iostream>
using namespace std;
int main()
{
int a = 3;
cout << "side of square a=" << a << endl;
cout << "Square is S=" << a*a << endl;
}
#include <iostream>
using namespace std;
int main()
{
int a = 3;
cout << "side of square a=" << a << endl;
cout << "Square is S=" << a*a << endl;
}