595. Слова

595.py

s = input()
t = input()

k = "".join(reversed(t))

i = 0
while s[i] == k[i]:
    if s[i:len(s)] == t[0:len(s) - i]:
        break
    i += 1
else:
    if s[i:len(s)] != t[0:len(s) - i]:
        i = -1

if i != -1:
    print("Yes")
    print(i)
else:
    print("No")