#include <stdio.h>


int prime(int n)
{

   int i;

   for(i=2; i < n; i++)
   {
       if(n % i == 0)
       {
           // not prime
           return 0;
       }
   }

// 1 means prime
return 1;

}

int main()
{

    printf("Please enter the numbers:\n");
    int from, to;
    scanf("%d %d", &from, &to);
        if(from > to)
        {
            int temp = from;
            from = to;
            to = temp;
        }

    int flag;

    int i;
    for(i=from+1; i< to; i++ )
    {

        flag = prime(i);
        if(flag == 1)
        {
        printf("%d ", i);
        }

    }


    return 0;
}