include

include

using namespace std;
int main()
{
string s;
getline(cin,s);
char x;
cin>>x;
int n='a'-'A';
char x2;
x<'a'?x2=char(x+n):x2=char(x-n);
int num=0;
for(int i=0;i<s.size();i++)
{
if(s[i]== x ||s[i]==x2)
num++;

}//end for
cout<<num;

}