#pragma once
class PrimeNumberGenerator {
 public:
int sad, next;
explicit PrimeNumberGenerator(int start) {
sad = start;
}
int GetNextPrime() {
int ret;
while (!isSimple(sad)) {
sad += 1;
}
ret = sad;
sad += 1;
return ret;
}
bool isSimple(int a) {
for (int i = 2; i <= sqrt(a); i++) {
if (a % i == 0)  {
    return 0;
}
}
return 1;
}
};