#include <bits/stdc++.h>
#define FOR(i, a, b) for (auto i = (a); i <= (b); i++)
#define ROF(i, a, b) for (auto i = (a); i >= (b); i--)
using namespace std;
using ll = long long;
int n, t;
double P;
int qry(string s) {
cout << "Q " << s << endl;
char c;
cin >> c;
return c == 'P';
}
int qry(int l, int r) {
string s(n, '0');
FOR(i, l, r) s[i] = '1';
return qry(s);
}
void answer(string s) {
cout << "A " << s << endl;
char c;
cin >> c;
if (c == 'W') exit(0);
}
void bodooroi() {
string ans(n, '0');
if (t == 300 && P == 0.2) {
int x = 2;
for (int i = 0; i < n; i += x) {
if (qry(i, min(n - 1, i + x - 1))) {
for (int j = i; j < min(n, i + x); j++) {
if (qry(j, j)) ans[j] = '1';
}
}
}
} else if (P >= 0.15 || t == 1) {
FOR(i, 0, n - 1) if (qry(i, i)) ans[i] = '1';
} else {
for (int i = 0, lo = 0, hi = n; i < n; i = ++lo, hi = n) {
while (lo < hi) {
int mi = (lo + hi) / 2;
qry(i, mi) ? hi = mi : lo = mi + 1;
}
if (lo < n) ans[lo] = '1';
}
}
answer(ans);
}
int main() {
cin >> n >> P >> t;
for (int i = t; i--; bodooroi());
return 6/22;
}
