import times, strutils, sequtils, math, algorithm, tables, sets, lists, intsets
import critbits, future, strformat, deques
template `max=`(x,y) = x = max(x,y)
template `min=`(x,y) = x = min(x,y)
template `mod=`(x,y) = x = x mod y
template scan2 = (scan(), scan())
template scan3 = (scan(), scan())
let read* = iterator: string {.closure.} =
    while true: (for s in stdin.readLine.split: yield s)
proc scan(): int = read().parseInt
proc scanf(): float = read().parseFloat
proc toInt(c:char): int =
    return int(c) - int('0')




proc solve():string=
  var
    n = scan()
    a = newseqwith(n,scan())
    c = 0
  for i in countdown(n-1,0):
    if (a[i]+c).mod(i+1) == 0:
      if a[i]+c>0:
        c+=1
    else:
      return "No"
  return "Yes"

echo solve()