restIess

#include <iostream>

#include <cmath>

using namespace std;

bool prime(long n){  

if (n == 1 || n == 0)

    return false;

for(long i=2;i<=sqrt(n);i++)

 if(n%i==0)

  return false;

return true;

}

int main() {

int a, b;

cin >> a >> b;

for (int i = a; i <= b; i++)  

 if (prime(i))

  cout << i << " ";

return 0;

}