#include <stdio.h>

int main() {
   int number,mark=0,str[200];
   scanf("%d",&number);
   while(number)
   {
      str[mark++]=number%6;
      number/=6;
   }
   for(int i=mark-1;i>=0;i--)
   printf("%d",str[i]);
    return 0;
}