#include <iostream>
#include <math.h>
using namespace std;
float a = 0, b;
int i = 0;
int main(){
while(a <= 50){
    cout << "wprowadz liczbe: " << endl;
    cin >> b;
    a += b;
    i++;
}
cout << "suma wprowadzonych liczb to: " << a << endl;
cout << "ilosc wprowadzonych liczb to: " << i << endl;
}