03. Heart Delivery

#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <algorithm>

using namespace std;

vector<int> split(string str, char sep) {
    stringstream s(str);
    vector<int> v;
    string n;
    while (getline(s, n, sep)) {
        v.push_back(stoi(n));
    }
    return v;
}

int main() {
    int number, index = 0, houseCount = 0;

    string line, command;
    getline(cin, line);

    vector<int> houses = split(line, '@');

    cin >> command;

    while (command != "Love!") {
        cin >> number;
        index += int(number);
        if (index >= houses.size()) {
            index = 0;
        }
        if (houses[index] == 0) {
            cout << "Place " << index << " already had Valentine's day.\n";
        }
        else {
            houses[index] -= 2;
            if (houses[index] == 0) {
                cout << "Place " << index << " has Valentine's day.\n";
            }
        }
        cin >> command;
    }

    for (int i = 0; i < houses.size(); i++) {
        if (houses[i] > 0) {
            houseCount++;
        }
    }

    cout << "Cupid's last position was " << index << ".\n";
    if (houseCount == 0) {
        cout << "Mission was successful.\n";
    }
    else {
        cout << "Cupid has failed " << houseCount << " places.\n";
    }
    return 0;
}