#include <iostream>using namespace std;bool isPrime(int);int main(){ setlocale(LC_ALL, "Russian"); int sum = 0, c = 1, num; while (true) { cin >> num; if (num == 0) break; if ( isPrime(c) ) sum += num; c++; } cout << "Результат: " << sum; return 0;}bool isPrime(int n) { if (n < 2) return false; if (n == 2) return true; if (n % 2 == 0) return false; for (int i = 3; (i * i) <= n; i += 2) { if (n % i == 0) return false; } return true;}