#include <iostream>
#include <stdlib.h>

using namespace std;
bool isRight();



int main()
{
    int sum = 0;
    int sum2 = 0;

    while(sum2<100)
    {
        do{
        cin >> sum;
        sum2 = sum2 + sum;
        }while(!isRight());

    }

    cout << "Twoja suma to: " << sum2 << endl;



    return 0;
}

bool isRight()
{
    if(cin.rdstate())
    {
        cin.clear();
        cin.ignore(1024,'\n');

        system("cls");
        cout << "Przestan podawac znaki. Podaj teraz same liczby:" << endl;
        return false;
    }
    return true;
}