dic = {
0:'',
1:'one',
2:'two',
3:'three',
4:'four',
5:'five',
6:'six',
7:'seven',
8:'eight',
9:'nine',
10:'ten',
11:'eleven',
12:'twelve',
13:'thirteen',
14:'fourteen',
15:'fifteen',
16:'sixteen',
17:'seventeen',
18:'eighteen',
19:'nineteen',
20:'twenty',
30:'thirty',
40:'forty',
50:'fifty',
60:'sixty',
70:'seventy',
80:'eighty',
90:'nithty',
100:'hundred',
1000:'thousand'
}

def analyse(x, p = 0):
  if p: print x,
  if x == 1000:
    if p: print dic.get(x)
    return len(dic.get(x))
  out = 0
  tmp = x / 100
  if tmp:
    out += len(dic.get(tmp))
    if p: print dic.get(tmp),
    out += len(dic.get(100))
    if p: print dic.get(100),
    if x % 100 == 0:
      if p: print
      return out
    out += 3
    if p: print 'and',
  tmp = x % 100
  if tmp < 20:
    out += len(dic.get(tmp))
    if p: print dic.get(tmp)
    return out
  out += len(dic.get(tmp / 10 * 10))
  if p: print dic.get(tmp / 10 * 10),
  out += len(dic.get(tmp % 10))
  if p: print dic.get(tmp % 10)
  return out


total = 0
for i in xrange(1, 1001):
  total += analyse(i)
print total