#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';
}
void answer(string s) {
cout << "A " << s << endl;
char c;
cin >> c;
if (c == 'W') exit(0);
}
void bodooroi() {
string ans(n, '0');
if (P >= 0.15 || t == 1) {
FOR(i, 0, n - 1) {
string s(n, '0');
s[i] = '1';
if (qry(s)) 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;
string s(n, '0');
FOR(j, i, mi) s[j] = '1';
qry(s) ? 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;
}
