#include <iostream>

using namespace std;

int main()
{
    // The number of people in the room.
    int total=0;
    int value;

    // The maximum amount of people in the room.
    const int MAX=100;


    // Allow people in, while there is still room.
    while(total<MAX) {
        cout << "Currently there are " << total << " people in the room." << endl;
        cout << "How many people are entering: ";
        cin >> value;

        // Prevent too many people from entering.
        if((total+value)<=MAX)
            total+=value;
        else cout << "The room cannot handle " << value << " more people." << endl;
    }

    cout << "There are " << total << " people in the room" << endl;

    return 0;
}