#include <bits/stdc++.h>

using namespace std;

int main() {
    int count = 0;
    for (int i = 1; i < 100; ++i) {
        for (int j = 1; j < 50; ++j) {
            for (int k = 1; k < 20; ++k) {
                if (i + j * 2 + 5 * k == 100) {
                    //cout << i << " " << j << " " << k << endl;
                    count++;
                }
            }
        }
    }
    cout << count << endl;
    return 0;
}