Run id: 3613

------Input------

dxvdzxfqicoheozyzzzeszzycmuuhdakcxquwynruajwfyrrktttmkkreehsuaihwbdczvvsditymarldjftbuaekmllmqusxtuhsrarseqdlmuyoiwpvfatvgvnyskxlypoedtdfgvvzgivhgayfjxfwgyqumzjbvuppotxshrtktojfonbkbjnpujyzdeokmkasikeyuliwnqedpmgirnrstzlscxfnxodnvmnozlcwlpcmzzaauzvjwrcjkwgburltxdezgcdhduwcpqoadrwnqljfndkjbtgbdgengvkzbvxhybmgmoixxijaceuwkfghkmcfdmyyyqotblgojbviakbxevqgtdqmljoshhtqevriekjiqvurcjyluhmxlmlthcnknwvjuxqojdvfnyjzygwaokqupmfohamxffvxflfdegfulmicyqlqepxszjlrcsgekdplgbpusefvdihrikluncczgeutagygscmiphgzlfz
------Answer-----

5

------Your output-----

2