#include <bits/stdc++.h>

using namespace std;

int main()
{
    string str;
    char ch;
    getline(cin, str);
    cin >> ch;

    int ans = 0;
    for (auto c : str)
        if (c == ch || c == ch + 32 || c == ch - 32)
            ++ans;

    cout << ans << endl;
    return 0;
}