struct Polinom
{
 int coef;
 int x;
 int y;
 int z;
 Polinom* next;
};

void __fastcall TForm2::BitBtn1Click(TObject *Sender)
{
 string str;
 Polinom *pointer, head;
 pointer=&head;
 str= (Edit1->Text).c_str();
 int in=0;
 int coef=0;
 int x=0,y=0,z=0;
 while(sscanf(str.c_str(),"%d*x^%d*y^%d*z^%d",&coef,&x,&y,&z))
 {

   pointer->next = new Polinom;
   pointer=pointer->next;
   pointer->x=x;
   pointer->y=y;
   pointer->z=z;
   pointer->coef=coef;
   str.erase(0,(str.find('+')>str.find('-'))?str.find('-'):str.find('+'));
   //ShowMessage(IntToStr(pointer->x));

 }