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

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

	*index = 0;

	for (needle = &column_index[strlen(column_index) - 1];
	     needle >= column_index; needle--) {
		alphabet = strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ", *needle);
	}
}

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

	strcpy(column_index, "A");

	
	return 0;
}