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#include <stdio.h>
#include <vector>
#include <cassert>
#include <cstring>
#include <iostream>

#define BAJ "Bajtek"
#define ALG "Algosia"
#define N 5001

#define DEBUG 0

int t, n;
int state = 0;
int player;
int enemy;
int counter;
int enemyc;
char data[N];
char decoded[N];
#if DEBUG
#include <fstream>
std::ofstream debug;
#endif
char buf[128];
char last_move;

int translate_move(char c)
{
	switch (c) {
	case 'P':
		return 0;
	case 'K':
		return 1;
	case 'N':
		return 2;
	}

	return 0xDEADBEEF;
}

char movemap[] = {'P', 'K', 'N'};

char encode()
{
	char move = movemap[enemy];

	/* yield if all was transfered, try move towards tie */
	if (counter >= n) {
		if (state == 1)
			return movemap[player+1];
		else
			return movemap[enemy];
	}

	/* winning - transfer a bit, but yield/tie */
	if (state == 1) {
		if (data[counter] == '0')
			move = movemap[player];
		else
			move = movemap[player+1];

		counter++;
		return move;
	}

	/* losing - transfer nothing, go for the win */
	if (state == -1) {
		move = movemap[enemy];

		return move;
	}

	/* tie - transfer 1-2 bits */
	if (state == 0) {
		if (data[counter] == '0') {
			if (data[counter+1] == '1') {
				counter += 2;
				return movemap[0];
			}
			else {
				counter += 2;
				return movemap[1];
			}
		} else {
			counter += 1;
			return movemap[2];
		}
	}

	return move;
}

void decode(char move)
{
	/* ignore if all was read */
	if (enemyc >= n)
		return;

	if (state == -1) {
		if (move == movemap[enemy])
			decoded[enemyc] = '0';
		else
			decoded[enemyc] = '1';

		enemyc++;
		return;
	}

	if (state == 1) {
		/* no data transfered */
		return;
	}

	/* tie - decode move */
	if (state == 0) {
		if (move == movemap[0]) {
			decoded[enemyc++] = '0';
			decoded[enemyc++] = '1';
		}

		if (move == movemap[1]) {
			decoded[enemyc++] = '0';
			decoded[enemyc++] = '0';
		}

		if (move == movemap[2]) {
			decoded[enemyc++] = '1';
		}
	}

}

void update_state(char enemy_move)
{
	int we = translate_move(last_move);
	int them = translate_move(enemy_move);
	int d = (we - them + 3) % 3;

	if (d == 2)
		state++;
	if (d == 1)
		state--;
}

void transfer(int x)
{
	char move;
	bool ended = false;

	player = x;
	enemy = (x+1)%2;
	enemyc = 0;
	state = 0;
	counter = 0;

	std::cin >> data;
#if DEBUG
		debug << "Player: " << player << std::endl;
		debug << "Enemy " << enemy << std::endl;
#endif

	do {
#if DEBUG
		debug << "received " << enemyc << ", sent " << counter << std::endl;
		debug << "encoding " << data[counter] << std::endl;
		debug << "state: " << state << std::endl;
#endif
		last_move = encode();
		std::cout << last_move << std::endl;
		std::cout.flush();
		std::cin >> move;
		decode(move);

		update_state(move);
#if DEBUG
		debug << "enemy: " << move << ", we: " << last_move << std::endl;
		debug << "got " << decoded << std::endl;
#endif

		if (counter >= n && enemyc >= n) {
			decoded[n] = '\0';
			std::cout << "! "<< decoded << std::endl;
			std::cout.flush();
			ended = true;
#if DEBUG
			debug << "! " << decoded << std::endl;
#endif
		}
	} while (!ended);
}

int Algosia()
{
	for (int i = 0; i < t; ++i)
		transfer(1);
	return 0;
}

int Bajtek()
{
	for (int i = 0; i < t; ++i)
		transfer(0);
	return 0;
}

int main()
{

	fgets(buf, 127, stdin);	
	std::cin >> n >> t;

	if (strncmp(buf, ALG, strlen(ALG)) == 0) {
#if DEBUG
		debug.open("algosia_debug.txt", std::ofstream::out);
#endif
		return Algosia();
	}
	else {
#if DEBUG
		debug.open("bajtek_debug.txt", std::ofstream::out);
#endif
		return Bajtek();
	}
#if DEBUG
	debug.close();
#endif
}