#include<stdio.h>

#include<iostream>

#include<algorithm>

#include<string.h>

using namespace std;

#define N 1000010

char s[N];

int Next[N], n;

void Getnext()

{

    int i = , j = -;

    Next[] = -;

    while(i<n)

    {

        if(j==- || s[i] == s[j])

            Next[++i] = ++j;

        else

            j=Next[j];

    }

}

int main()

{

    while(scanf("%s", s),s[]!='.')

    {

        n = strlen(s);

        Getnext();

        int ans = n-Next[n];

        if(n%ans!=)

            ans = ;

        else

            ans = n/ans;

        printf("%d\n", ans);

    }

    return ;

}

/*

aabaabaa

1

*/