#include <bits/stdc++.h>
using namespace std;
int main() {
    string a,b;
    getline(cin, a);
    getline(cin, b);
    char lastChar;
    lastChar = b[b.length() - 1];
    int count = 0;
    for (int i = 0; i < a.length(); i++)
        if (a[i] == lastChar) count++;
    if (count == 0) cout << "khong co ki tu " << lastChar << " trong xau A";
    else cout << "co " << count << " ki tu " << lastChar << " trong xau A";
    return 0;
}