fun main() {
val n = readLine()!!.toInt()
var space = 0
var star = n
var i = 0
while (i < n){
var j = 0
while (j < space){
print(" ")
j++
}
var k = 0
while (k < star){
print("*")
k++
}
println()
i++
star--
space++
}
}