#include <bits/stdc++.h>

using namespace std;

#define int long long
#define lep(i,a,b) for(int i = (a); i <= (b); i++)
#define rep(i,b,a) for(int i = (b); i >= (a); i--)
#define pi pair<int,int>
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define f first
#define s second
const int inf = 1e18;

// const int mod = 1e9 + 7;
int reduce(int x, int n) {
    return (x %= n) < 0 ? x + n : x;
}

// int prod(int a, int b) {
//     return reduce(reduce(a) * reduce(b));
// }

// int add(int a, int b) {
//     return reduce(reduce(a) + reduce(b));
// }

// int modpow(int a, int pw) {
//     if (a == 0) return 0;
//     if (pw == 0) return 1;
//     if (pw % 2 == 0) {
//         int res = modpow(a, pw / 2);
//         return prod(res, res);
//     }
//     return prod(modpow(a,pw), a);
// }

pi red(pi p) {
    int g = __gcd(p.f,p.s);
    return {p.f/g,p.s/g};
}

pi get_better(pi a, pi b) {
    a = red(a);
    b = red(b);
    // a.f / a.s < b.f / b.s whenever a.f * b.s < a.s * b.f
    if (a.f == inf) return b;
    if (a.f * b.s < a.s * b.f) return a;
    return b;
}

void submit(int ans) {
    cout << ans << "\n";
}

signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n, x,k;
    cin >> n >> x >> k;
    vector<int> F(n, inf);
    vector<bool> visited(n);
    visited[0] = true;
    F[0] = 0;

    vector<int> vals(k+1);
    lep(i,1,k) {
        cin >> vals[i];
    }
    queue<int> q;
    F[0] = 0;
    visited[0] = 0;
    q.push(0);
    while (!q.empty()) {
        int u = q.front();
        q.pop();
        lep(i,1,k) {
            int len = vals[i];
            int v = reduce(u - len, n);
            if (!visited[v]) {
                visited[v] = 1;
                F[v] = F[u] + 1;
                q.push(v);
            }
        }
    }
    vector<int> dists(n+1);
    lep(i,1,n) dists[i] = F[i-1];
    sort(dists.begin()+1,dists.end());
    pi ans = {F[x],1};
    int sm = 0;
    lep(i,1,n-1) {
        sm += dists[i];
        if (dists[i] < F[x] and dists[i] != dists[i+1]) {
            // c = 1 + 1/n sum_{i=1}^i dists[i] + (n-i)/n * c
            ans = get_better(ans, mp(n+sm,i));
        }
    }
    cout << ans.f << " " << ans.s << "\n";
}