05. Travelling

#include <iostream>

using namespace std;

int main() {
    string destination;
    double budget, moneyOnHand, currentSum;

    while (true) {
        cin >> destination;
        if (destination == "End") {
            break;
        }
        cin >> budget >> moneyOnHand;

        while (budget > moneyOnHand) {
            cin >> currentSum;
            moneyOnHand += currentSum;
        }

        cout << "Going to " << destination << "!\n";
    }

    return 0;
}

Или леко тарикатската:)

#include <iostream>

using namespace std;

int main() {
    string destination;
    cin >> destination;

    double budget, currentSum;

    while (destination != "End") {
        cin >> budget;

        while (budget > 0) {
            cin >> currentSum;
            budget -= currentSum;
        }

        cout << "Going to " << destination << "!\n";
        cin >> destination;
    }

    return 0;
}