#include <stdio.h>

int isFib (int i);
int isPrime(int i);

int main() {
    int x1, x2;
    printf("Please enter min value: ");
    scanf("%d", &x1);
    printf("Please enter max value: ");
    scanf("%d", &x2);

    int i;
    for(i = x1; i <= x2; i++) {
        if ((isFib(i) == 1) && (isPrime(i) == 1)) {
            printf("%d ", i);
        }
    }
    printf("\n");

    return 0;
}