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

void greska();
int armstrongov(int br);

int main(int argc, char **argv)
{
    if(argc != 3)
        greska();
    
    int a, b;

    a = atoi(argv[1]);
    b = atoi(argv[2]);
    
    if(a > b || a <= 0 || b <= 0)
        greska();
    
    int i;
    for(i = a; i <= b; i++)
        if(armstrongov(i))
            printf("%d ", i);
 
    return 0;
}

void greska()
{
    fprintf(stderr, "-1");
    exit(EXIT_FAILURE);
}

int armstrongov(int br)
{
    int i = 1;
    int pom = br;
    
    while(br)
    {
        br = br/10;
        if(br)
            i++;
    }       
    
    int n = i;
    br = pom;
    int suma = 0;
    
    while(br)
    {
        suma += pow(br%10, n);
        br /= 10;
    }
    
    if(pom == suma)
        return 1;
    return 0;
}