import java.io.PrintWriter import java.util.* import kotlin.math.* fun PrintWriter.solve() { val n = nextInt() val a = Array(n - 1) { nextInt() } val b = (0 until n - 1).map { a[it] to it }.sortedBy { it.first }.toList() val op = Array(n - 1) { 0 } for (i in 0 until n - 1) { if (b[i].first !in 1..1 + i) { println("NO") return } op[b[i].second] = i + 2 - b[i].first } println("YES") println(op.joinToString("\n")) } fun main() { val writer = PrintWriter(System.out, false) writer.solve() writer.flush() } // region Scanner private var st = StringTokenizer("") private val br = System.`in`.bufferedReader() fun next(): String { while (!st.hasMoreTokens()) st = StringTokenizer(br.readLine()) return st.nextToken() } fun nextInt() = next().toInt() fun nextLong() = next().toLong() fun nextLine() = br.readLine()!! fun nextDouble() = next().toDouble() // endregion