set d, f

// D

#include <bits/stdc++.h>

using namespace std;

#define int long long
#define v vector


signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
//    cout.setf(ios::fixed);
//    cout.precision(6);
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);

    set<int> yes;
    set<int> no;
    set<int> :: iterator it;

    int n;
    cin >> n;

    for (int i = 1; i <= n; i++) yes.insert(i);

    vector<int> nums;
    string s;
    cin >> s;

    while (s != "HELP") {
        if (s != "YES" and s != "NO") {
            nums.push_back(stoi(s));
        } else if (s == "YES") {
            set<int> temp = yes;
            yes.clear();
            for (int i = 0; i < nums.size(); i++) {
                if (temp.find(nums[i]) != temp.end()) yes.insert(nums[i]);
            }
            nums.clear();
        } else {
            for (int i = 0; i < nums.size(); i++) no.insert(nums[i]);
            nums.clear();
        }
        cin >> s;
    }

    for (it = yes.begin(); it != yes.end(); it++) {
        if (no.find(*it) == no.end()) cout << *it << " ";
    }

    return 0;
}


// F

#include <bits/stdc++.h>

using namespace std;

#define int long long
#define v vector


signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
//    cout.setf(ios::fixed);
//    cout.precision(6);
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);

    set<int> xdays;

    int n, k;
    cin >> n >> k;
    while (k--) {
        int first, step;
        cin >> first >> step;
        while (first <= n) {
            xdays.insert(first);
            first += step;
        }
    }

    for (int i = 6; i <= n; i += 7) {
        xdays.erase(i);
        xdays.erase(i + 1);
    }

    cout << xdays.size();

    return 0;
}