#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;
}
};