/*
 *  Example of a Lucky Words player program for the CodeCup.
 *
 *  This only demonstrates how to do the input and output. You will
 *  have to write the algorithms for the game all by yourself.
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>


/*
 *  This function reads the list of words.
 */
void read_word_list(void)
{
	FILE *f;
	char word[8];

	f = fopen("words.dat", "r");
	assert(f != NULL);
	while (! feof(f)) {
		fscanf(f, "%s\n", word);
		/* TODO : store the word in some sort of list */
	}
	fclose(f);
}


/*
 *  This function makes the game board empty.
 */
void init_game_board(void)
{
	/* TODO */
}


/*
 *  This function selects the best possible letter and the position
 *  where we want to put it.
 */
void pick_letter_and_position(char *letter, int *position)
{
	/* TODO */
}


/*
 *  This function returns the best possible position for an opponent letter.
 */
int pick_position(char letter)
{
	/* TODO */
}


/*
 *  This function stores a letter at a position on the game board.
 */
void put_letter_at_position(char letter, int position)
{
	/* TODO */
}


/*
 *  This function returns the total number of wordpoints on the game board.
 */
int count_total_wordpoints(void)
{
	/* TODO */
}


int main(void)
{
	char buf[40];
	char letter;
	int position;
	int my_move, m;

	/* Read the list of words */
	read_word_list();

	/* Make the game board empty */
	init_game_board();

	/* Read the starting letter */
	scanf("%s", buf);
	letter = buf[0];
	put_letter_at_position(letter, 24);

	/* Read the first move */
	scanf("%s", buf);

	/* Find out who will move first */
	if (strcmp(buf, "start") == 0) {
		my_move = 1;
	} else {
		my_move = 0;
		letter = buf[0];
	}

	/* Do all moves */
	for (m = 0; m < 48; m++) {

		if (my_move) {

			/* It's my turn to pick a letter */
			pick_letter_and_position(&letter, &position);
			put_letter_at_position(letter, position);

			/* Write output */
			printf("%c\n", letter);
			printf("%d\n", position);
			fflush(stdout);

			/* Next turn */
			my_move = 0;

		} else {

			/* My opponent has picked a letter */
			if (m > 0) {
				scanf("%s", buf);
				letter = buf[0];
			}

			/* Pick a position for the letter */
			position = pick_position(letter);
			put_letter_at_position(letter, position);

			/* Write output */
			printf("%d\n", position);
			fflush(stdout);

			/* Next turn */
			my_move = 1;

		}

	}

	/* NIO contestants : Output total nr of wordpoints */
	printf("%d\n", count_total_wordpoints());
	fflush(stdout);

	return 0;
}

/* End */