import math
from math import sqrt
import sys
from collections import deque, defaultdict
from heapq import heappop, heappush
from copy import deepcopy

INF=10**18
MOD=10**9+7
MAX=10**5+7

def main():
  s=input()

  n=int(s[:2])
  if int(s[2])>=5: n+=1

  if n==100:
    print("1.0*10^{}".format(len(s)))
  else:
    print("{}.{}*10^{}".format(n//10, n%10, len(s)-1))

  
if __name__ == '__main__':
    main()