#include
using namespace std;
void Sum(int a[], int b[], int n, int m)
{
int sum[n]={0};
int i = n - 1, j = m - 1, k = 0;
int c = 0, s = 0;
while(j>=0)
{
s=a[i]+b[j]+c;
sum[k]=s%10;
c=s/10;
k++;
j--;
i--;
}
while(i>=0)
{
s=a[i]+c;
sum[k]=s%10;
c=s/10;
i--;
k++;
}
for(int i=k-1;i>=0;i--)
{
cout<<sum[i]<<", ";
}
}
// Driven Program
int main()
{
int n, m;
cin>>n;
int a[10000],b[10000];
for(int i=0;i<n;i++)
{
cin>>a[i];
}
cin>>m;
for(int i=0;i<m;i++)
{
cin>>b[i];
}
if (n >= m)
Sum(a, b, n, m);
else
Sum(b, a, m, n);
cout<<"END" ;
return 0;
}