#include <iostream>
using namespace std;
int main()
{
string str;
while (cin >> str, str != ".")
{
int len = str.size();
for (int n = len; n; n -- )
if (len % n == 0) //当子串段数为字符串总长度的约数时
{
int m = len / n; //m为子串长度
string s = str.substr(0, m);
string r;
for (int i = 0; i < n; i ++ ) r += s; //将子串拼接成原字符串长度
if (r == str)
{
cout << n << endl;
break;
}
}
}
return 0;
}