import time
print ("***Strat:",time.time())
for a in range(1,10):
for b in range(1,10):
for c in range(1,10):
for d in range(1,10):
for e in range(1,10):
for f in range(1,10):
for g in range(1,10):
for h in range(1,10):
n=a*10000000+b*1000000+c*100000+d*10000+e*1000+f*100+g*10+h
m=n*n*81
if (m%10000000==g*1000000+f*100000+e*10000+d*1000+c*100+b*10+a):
s='%d' %m
if (int(s[int(len(s)/2)])==h) and (int(s[:7])==a*1000000+b*100000+c*10000+d*1000+e*100+f*10+g):
print (n,m,time.time())
print ("***End:",time.time())