int main(){
long n;
while (scanf("%ld",&n)==1){
if(n<0) break;
if(n==0){
printf("0\n");
}else{
change_x(n,3);printf("\n");
}
}
return 0;
}
int main(){
while((*sptr)!='='){
sptr++;
}sptr++;
///Until the assignment operation then syntax analysis begin
std::string s(sptr);
change_fx(s);
change_x(s,-1);
float ret=parse_poly(s);
std::cout<<"Expression After:"<<ret<<std::endl;
system("pause");
return 0;
}
