def Similar(s,t,n):
flag=True
dic={}
for i in range(n):
if s[i] in dic.keys():
if dic[s[i]]==t[i]:
continue
else:
flag=False
break
elif t[i] in dic.values():
flag=False
break
else:
dic[s[i]]=t[i]
return flag
s,t=input(),input()
m,n=len(s),len(t)
count=0
for i in range(m-n+1):
substr=s[i:i+n]
if Similar(substr,t,n):
count+=1
print(count)
ac 83%
