AC

#include<iostream>
#include<algorithm>


using namespace std;

int main()
{

    string s;
    getline(cin, s);

    char a = 0;
    cin >> a;
    int num  = 0;
    for(int i = 0; i < s.length(); i++)
    {
        if(s[i] == a)
        {
            num++;
}
        else if(int(s[i]) + 32 == int(a))
        {
            num++;
        }
    }

    cout << num;
    return 0;
}