#include<iostream>
#include<fstream>
using namespace std;
class Dathuc{
	private:
		float Heso[100];
		int n;
	public:
		void nhap(){
			cin>>n;
			for(int i=n;i>=0;i--){
				cin>>Heso[i];
			}
		}
		void hienthi(){
			for(int i=n;i>=0;i--){
				if(i==0){
					cout<<Heso[i];
				}
				else{
					cout<<Heso[i]<<"*x^"<<i<<"+";
				}
			}
		}
		void docFile(){
			ifstream f;
			f.open("Dathuc.in");
			f>>n;
			for(int i=n;i>=0;i--){
				f>>Heso[i];
			}
			for(int i=n;i>=0;i--){
				if(i==0){
					cout<<Heso[i];
				}
				else{
					cout<<Heso[i]<<"*x^"<<i<<"+";
				}
			}
			f.close();
		}
		void ghiFile(){
			ofstream f;
			f.open("Dathuc.out");
			f<<n<<endl;
			for(int i=n;i>=0;i--){
				if(i==0){
					f<<Heso[i];
				}
				else{
					f<<Heso[i]<<"*x^"<<i<<"+";
				}
			}
			f.close();
		}
		Dathuc Tongdathuc(Dathuc a,Dathuc b){
			if(a.n>=b.n){
				Tongdathuc.n=a.n;
			}
			else{
				Tongdathuc.n=b.n;
			}
			for(int i=Tongdathuc.n;i>=0;i--){
				if(i<=a.n&&i<=b.n){
					Tongdathuc.Heso[i]=a.Heso[i]+b.Heso[i];
				}
				else if(i<=a.n&&i>b.n){
					Tongdathuc.Heso[i]=a.Heso[i];
				}
				else if(i<=b.n&&i>a.n){
					Tongdathuc.Heso[i]=b.Heso[i];
				}
			}
			return Tongdathuc.Heso;
		}
};
int main(){
	Dathuc a,b;
	a.nhap();
	a.hienthi();
	b.nhap();
	b.hienthi();
	Dathuc c=a.Tongdathuc(a,b);
	c.hienthi();
}