#!/usr/bin/env cscript
#include "stdio.h"
#include "string.h"

int
main(int argc, char *argv[]) {
	const char *ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	int column_index;
	char *column_string[3 + 1], *needle;

	column_index = 26;
	needle = column_string;

	while (column_index > 0) {
		column_index /= 'Z' - 'A' + 1
		*needle++ = column_index % ('Z' - 'A');
	}

	printf("%s\n", column_string);
}