Background

Description

Modify and return the given map as follows: if the keys "a" and "b" have values that have different lengths, then set "c" to have the longer value. If the values exist and have the same length, change them both to the empty string in the map.

Format

Input

Output

Samples

"a": "aaa" "b": "bb" "c": "cake"

{"a": "aaa", "b": "bb", "c": "aaa"}

"a": "aa" "b": "bbb" "c": "cake"

{"a": "aa", "b": "bbb", "c": "bbb"}

"a": "aa" "b": "bbb"

{"a": "aa", "b": "bbb", "c": "bbb"}

Limitation

1s, 1024KiB for each test case.