#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<int> a(3);
    cin >> a[0] >> a[1] >> a[2];
    vector<int> cum(n + 1), idx(3);
    for(int i = 0; i < n; i++){
        string str;
        cin >> str;
        cum[i + 1] = cum[i] + str.size();
    }
    vector<array<ll, 4>> dp(n + 1, {0, 0, 0, 0});
    dp[0][0] = 1;
    for(int i = 0; i < n; i++){
        for(int j = 0; j < 3; j++){
            while(idx[j] <= n && cum[idx[j]] < cum[i] + a[j])idx[j]++;
            if(idx[j] <= n && cum[i] + a[j] == cum[idx[j]]) dp[idx[j]][j + 1] += dp[i][j];
        }
        dp[i + 1][0] += dp[i][0];
        dp[i + 1][3] += dp[i][3];
    }
    cout << dp[n][3] << '\n';
}