#include <stdio.h>

int main()
 {
    int n = 0;
    while (scanf("%d", &n) == 1)
    {
        int arr[30];
        int i = 0;
        while (n)
        {
            arr[i++] = n % 6;
            n /= 6;
        }
        for (i--; i >=0; i--)
        {
            printf("%d", arr[i]);
        }
    }
    
    return 0;
}