#include <iostream>
using namespace std; 
class complex 
{
    int real, imag; 
    public :
    complex (int real,int imag=5)
    {
        cout <<"real="<<real <<endl; 
        cout <<"imag= "<<imag<<endl; 
    }
};
int main() {
    complex c(6,5);
    return 0;
}