void gunHesapla(int gun){
    switch (gun)
{
    case 1:
      printf("Gun pazartesidir");
      break;

    case 2:
      printf("Gun salidir");
      break;

   case 3:
      printf("Gun carsambadir");
      break;

    case 4:
      printf("Gun persembedir");
      break;

    case 5:
      printf("Gun cumadir");
      break;

    case 6:
      printf("Gun cumartesidir");
      break;

    case 7:
      printf("Gun pazardir");
      break;
}
}

int main()
{
    int gun;
    printf("Gun degerini giriniz (1–7): ");
    scanf("%d",&gun);
    gunHesapla(gun);

    return 0;
}