package edu.example

fun main() {
    val input = "test:value,password:secret,something:value"
    val passwordKey = "password:"

    var keyCurrentIndex = 0
    val result = CharArray(input.length)
    for (charIndex in input.indices) {
        if (keyCurrentIndex > 0 && input[charIndex] == ',') {
            keyCurrentIndex = -1
        }
        else if (keyCurrentIndex == passwordKey.length) {
            result[charIndex] = '*'
            continue
        }
        else if (keyCurrentIndex != -1 && input[charIndex] == passwordKey[keyCurrentIndex]) {
            keyCurrentIndex++
        }

        result[charIndex] = input[charIndex]
    }

    println(result)
}