#include <stdio.h>

typedef struct {
  double re, im;
} complex;

complex sestej(st1, st2 )
  complex st1, st2;
{
  complex vsota;
  vsota.im= st1.im+ st2.im;
  vsota.re= st1.re+ st2.re;
  return vsota;
}

main ()
{
  complex x, y;
  x.re = 1;
  x.im = 1;
  y.re = 2;
  y.im = 2;
  complex banana = sestej(x,y);
  printf("%f", banana.re);
}