#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;
}

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