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

int palindrom_zecimal(long int x)
{
	long int inv = 0, aux = x;
	while (aux > 0)
	{
		inv = inv * 10 + aux % 10;
		aux = aux / 10;
	}
	if (inv == x)
		return 1;
	else
		return 0;
}

int palindrom_binar(long int x)
{
	long long int bit1 = 0, bit2 = 0, j,poz=1;

	for (j = 0; j <= 31; j++)
	{
		if ((x >> j) & 1)
		{
			bit1 = bit1 * pow(10,poz) + 1;
			poz = 1;
		}
		else
			poz++;
	}

	poz = 1;
	for (j = 31; j >= 0; j--)
	{
		if ((x >> j) & 1)
		{
			bit2 = bit2 * pow(10, poz) + 1;
			poz = 1;
		}
		else
			poz++;
	}
	if (bit1 == bit2)
		return 1;
	else
		return 0;
}

int palindrom_octal(long int x)
{
	long int a[100],k=1,aux,poz=-1,i;

	while(x>0)
	{
		poz++;
		a[poz]=x%8;
		x = x / 8;
	}

	for (i = 0; i <= poz / 2; i++)
	{
		if (a[i] != a[poz - i])
			k = 0;
	}
	
	return k;

}

int palindrom_hexa(long int x)
{
	int i = 0, poz = -1, k = 1;
	char a[100];
	while (x != 0) 
	{
		int temp = 0;
		temp = x % 16;
		if (temp < 10) {
			poz++;
			a[poz] = temp + 48;
		}
		else {
			poz++;
			a[poz] = temp + 55;
		}
		x = x / 16;
	}

	for (i = 0; i <= poz / 2; i++)
	{
		if (a[i] != a[poz - i])
			k = 0;
	}

	return k;
}

int main()
{
	long int n,i,nr,val;
	printf("Dat n= ");
	scanf("%ld", &n);
	for (i = 10; i <= n; i++)
	{
		nr = 0;
		val = palindrom_zecimal(i);
		nr += val;
		val = palindrom_binar(i);
		nr += val;
		val = palindrom_octal(i);
		nr += val;
		val = palindrom_hexa(i);
		nr += val;
		if (nr >= 2)
			printf("%ld\n", i);
	}
}