A border of a string is a prefix that is also a suffix of the string but not the whole string. For example, the borders of abcababcab are ab and abcab.

Your task is to find all border lengths of a given string.

Input

• The only input line has a string of length ~n~ consisting of characters a–z.

Output

• Print all border lengths of the string in increasing order.

Constraints

• ~1 \le n \le 10^6~

Example Input

abcababcab

Example Output

2 5