#include <iostream>
#include <vector>
using namespace std;
int main()
{
	int N, S, X, Y, Z;
	cin >> N >> S >> X >> Y >> Z;
	vector<char> I(N);
	vector<char> A[2];
	A[0].resize(N + 1);
	A[1].resize(N + 1);
	int a = S;
	for (int i = 0; i < N; i++) {
		A[0][i] = a & 1;
		a = (X * a + Y) % Z;
	}
	int Q;
	cin >> Q;
	for (int q = 0; q < Q; q++) {
		int s, t, u, v;
		cin >> s >> t >> u >> v;
		s--;
		t--;
		u--;
		v--;
		for (int k = u; k <= v; k++) {
			A[1 - I[k]][k] = A[I[k]][k] ^ A[I[k - u + s]][k];
		}
		for (int k = u; k <= v; k++) {
			I[k] = 1 - I[k];
		}
	}
	for (int i = 0; i < N; i++) {
		A[0][i] = A[I[i]][i] * ('O' - 'E') + 'E';
	}
	cout << &A[0][0] << endl;
}