#include <iostream>
using namespace std;
int k = 0;
int main()
{
char a[1000];
char c;
do
{
cin.get(c);
a[k++] = c;
}while (c!='\n');
}
#include <iostream>
using namespace std;
int k = 0;
int main()
{
char a[1000];
char c;
do
{
cin.get(c);
a[k++] = c;
}while (c!='\n');
}