/*
 *Student: S.K Soekhlal
 * Number: 4860632
 * Assignment: 3.3
 */
#include<stdio.h>
#include<stdlib.h>
#include<math.h>

int is_prime(int number){       /*Function decleration and definition */
    int x;
            if(number < 2){     /*If number is 0 or 1, it is not prime*/
            return 0;
        }
    for(x=2; pow(x,2)<=number; x++){  /*using for loop to determine if input is not prime*/
        if (number%x == 0){  /*If remainder of input/x^2 = 0 then the number is not prime*/
            return 0;
        }
    }
    return 1;
}

int main(){
    int lower_limit,upper_limit,i; /*Declaring variables*/
    scanf("%d%d",&lower_limit,&upper_limit); /*Storing user input in lower and upper limit variables*/
    for(i=lower_limit; i <= upper_limit; i++){  /*using for loop to call is_prime function to calculate if the number is prime*/
        if(is_prime(i) == 1){
            printf("%d\n",i);
        }
    }
    return 0;
}