#!/usr/bin/env cscript
#include <ctype.h>
#include <stdio.h>
#include <string.h>

int
scan_column_index(char column_index[3 + 1], int *index) {
	char *needle, *alphabet;

	*index = 0;

	for (needle = &column_index[strlen(column_index) - 1];
	     needle >= column_index; needle--) {
		*index += 'Z' - 'A' + 1;
		*index += *needle - 'A';
	}

	return 0;
}

int
main(int argc, char *argv[]) {
	int position;
	char column_index[3 + 1];

	strcpy(column_index, "A");

	for (int index = 0; index <= 62; index++) {
		scan_column_index(column_index, &position);
		printf("[%s] %d\n", column_index, position);
	}
	
	return 0;
}