avalara

from math import factorial as fa
a=int(input())
b=int(input())
ans=1
for i in range(a,b+1):
    ans*=i
if a==b:
    ans*=b
c=ans
ans1=str(ans)
lim=-1
for i in range(len(ans1)-1,-1,-1):
    if ans1[i]!='0':
        lim=i
        break
d=len(ans1)-lim-1
ans1=ans1[:lim+1]
if len(ans1)>10:
    print(ans1[:5]+"..."+ans1[-5:],end="")
else:
    print(ans1,end="")
print(" x 10^"+str(d))
# print(ans)