2 F

#include <iostream>
#include <iomanip>
#include <string>
#include <cmath>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    int y;
    cin >> y >> y;
    string s1, s2;
    cin >> s1 >> s2;
    int x = 0;

    for (int i = 0; i < s1.length(); ++i) {
        if (s1.substr(i, y) == s2) x++;
    }

    cout << x;

    return 0;
}