#include <stdio.h>
#include <stdlib.h>

int isprime(num){
    int j, flag;
    flag = 0;

    if (num <= 1){
        return 0;
    }

    for (j = 2; j <= num / 2; j++){
        if ((num % j) == 0){
            flag = 1;
            break;
        }
    }

    if(flag == 0){
        return 1;
    }else{
        return 0;
    }
}

int main(){
    int num1, num2, i;
    printf("Enter two number");
    scanf("%d", &num1);
    scanf("%d", &num2);

    for (num1; num1<=num2; num1++){
        if(isprime(num1) == 1){
            printf(" %d ", num1);
        }
    }


    return 0;
}