#include <iostream.h>

/* Complex numbers */

struct complex {
        int re;
        int im;
};

complex cadd( complex z1, complex z2 )
{
        complex zt;
        zt.re = z1.re + z2.re;
        zt.im = z1.im + z2.im;
        return zt;
}

int main( void )
{
        complex za;
        za.re = 1;
        za.im = 2;
        complex zb = za;

        complex zc = cadd( za, zb );
        cout << "zc.re = "   << zc.re
             << ", zc.im = " << zc.im << endl;
}