private var stack = mutableListOf<String>()
private var queue = mutableListOf<String>()
private var expressionList = mutableListOf<String>()
fun main() {
parseExpression()
}
fun parseExpression() {
"5*8*(2+9)+(7-5+8-9*(5*5)+5)".forEach {
expressionList.add(it.toString())
}
print(" : ")
expressionList.forEach {
print(it)
}
println()
}