#! /usr/bin/env python3
import math
def my_round(x, d=0):
    p = 10 ** d
    return float(math.floor((x * p) + math.copysign(0.5, x)))/p
N = input()
l = len(N)-2
n = int(N)
x = my_round(n/10**l)/10
if x > 9:
    x //= 10
    l += 1
print(str(x)+'*'+'10'+'^'+str(l+1))