import sys
import math
import re

s=input()
print(s,file=sys.stderr)
m = re.search('([0-9]*)x\^([0-9]+)',s)
if not m:
    m = re.search('([0-9]+)x',s)
    a = int(m.group(1))
    print(a)
else:
    a = m.group(1)
    b = int(m.group(2))
    if a == "":
        print("%sx" % b)
    elif b == "":
        print("%sx" % b)
    else:
        a = int(a)
        print("%sx^%s" % (a*b,b-1))