Uber is testing a multi-port EV charging strip.

Each port accepts one of five signal types:

'a', 'e', 'i', 'o', 'u'

Given a string logSignals, count how many contiguous substrings:

Contain only these five characters

Contain all five characters at least once

Return the total number of such substrings.

Function Signature

long countCompleteSignalBlocks(String logSignals)

Example

Input: logSignals = "aeioexaeaeiou"

Output: 4

Explanation: Valid substrings:

"aeaeiou" "aaeiou" "aeiou" "aeiou"