import kotlin.random.Random
fun main() {
    
    var guess:Int?
    var targetNum=Random.nextInt(1,100)
    var attempts=0
    do{
        guess=readLine()?.toIntOrNull();
        attempts++
        if(guess==null){
            println("Enter valid number")
            
        }
        else{
        when{
            guess < targetNum -> println("Too low")
            guess > targetNum -> println("To high")
            else->println("Your have guess the nummber in $attempts attempts")
        }
        }
        
    }
    while(guess!=targetNum && guess != null)
    
}