#include<iostream>
using namespace std;
#define N 5
int main()
{
int a[N];
int b[N];
int i = 0;
while (cin >> a[i])
{
if (cin.get() == '\n')
break;
i++;
}
for (int k = 0; k < a[i]; k++)
cout << a[k];
int j = 0;
while (cin >> b[j])
{
if (cin.get() == '\n')
break;
j++;
}
cout << j << endl;
for (int k = 0; k < b[i] + 1; k++)
cout << b[k];
}
数组第一个数代表数组的长度