left=int(left)
right=int(right)
e=0
for i in range(1,100000,1):
c=str(i)
c=c+c[-2::-1]
c=int(c)
c=cc
if(c>right):
break
elif(c>=left and str(c)==str(c)[::-1]):
e=e+1
for i in range(1,100000,1):
c=str(i)
c=c+c[::-1]
c=int(c)
c=cc
if(c>right):
break
elif(c>=left and str(c)==str(c)[::-1]):
e=e+1
return e