#include<iostream>
using namespace std;
int main(){
int n1;
cin>>n1;
int arr1[n1];
for(int i=0 ; i<n1 ; i++){
cin>>arr1[i];
}
int n2;
cin>>n2;
int arr2[n2];
for(int i=0 ; i<n2 ; i++){
cin>>arr2[i];
}
int length = max(n1,n2);
int arrRes[length+1];
int carry=0;
int digit=0;
for(int i=0 ; i<length ;i++){
int sum = arr1[n1-1-i]+arr2[n2-1-i]+carry;
if(sum >= 10){
digit = sum % 10;
carry = sum/10;
arrRes[length-i] = digit;
// cout<<"sum = "<<sum<<" digit = "<<digit<<" carry = "<<carry<<" i = "<<i<<endl;
}
else{
arrRes[length-i] = sum;
carry=0;
}
sum = 0;
}
arrRes[0]=carry;
if(arrRes[0]==0){
for(int i=1 ; i<=length ; i++){
cout<<arrRes[i]<<", ";
}
}
else{
for(int i=0 ; i<=length ; i++){
cout<<arrRes[i]<<", ";
}
}
cout<<"END";
return 0;
}