#include <iostream>
using namespace std;
int main()
{
string s;
while (cin >> s, s != ".")
{
int len = s.size();
for (int n = len; n > 0; n -- )
{
if (len % n == 0)
{
int m = len / n;
string r;
for (int j = 0; j < n ; j ++ )
r += s.substr(0, m);
if (s == r)
{
cout << n << endl;
break;
}
}
}
}
return 0;
}