405052: GYM101755 E Substring Reverse

Memory Limit:256 MB Time Limit:2 S
Judge Style:Text Compare Creator:
Submit:0 Solved:0

Description

E. Substring Reversetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard output

Two strings s and t of the same length are given. Determine whether it is possible to make t from s using exactly one reverse of some its substring.

Input

The first line contains the string s, and the second — the string t. Both strings have the same length from 1 to 200000 characters and consist of lowercase Latin letters.

Output

Output «YES», if it is possible to reverse some substring of s to make s equal to t, and «NO», otherwise.

ExamplesInput
abcdefg
abedcfg
Output
YES
Input
abcdefg
abdecfg
Output
NO

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