#include <bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int N; cin >> N;
    int S,X,Y,Z; cin >> S >> X >> Y >> Z;
    vector<bool> B(N);
    for(int i=0; i<N; i++){
        if(S&1) B.at(i) = true;
        S = (1LL*S*X+Y)%Z;
    }
    int Q; cin >> Q;
    vector<tuple<int,int,int,int>> lrLR(Q);
    for(auto &[l,r,L,R] : lrLR) cin >> l >> r >> L >> R;

    const int mod = 60;
    using ull = unsigned long long;
    int n = (N+mod-1)/mod;
    vector<ull> A(n),A2(n);
    int pos = 0,bit = 0;
    for(int i=0; i<N; i++){
        if(B.at(i)) A.at(pos) += 1ULL<<bit;
        bit++;
        if(bit == mod) pos++,bit = 0;
    }
    ull maxv = numeric_limits<ull>::max();
    auto move = [&](int l,int r,int L,int R) -> void {
        int posl = l/mod,lmod = l%mod;
        int posL = L/mod,Lmod = L%mod;
        int len = r-l;
        while(len >= mod){
            if(lmod <= Lmod){
                int movebit = mod-Lmod; len -= movebit;
                ull bring = A.at(posl)&((1ULL<<(lmod+movebit))-(1ULL<<lmod)); 
                A2.at(posL) ^= (bring>>lmod)<<Lmod;
                Lmod = mod,lmod += movebit;
            }
            else{
                int movebit = mod-lmod; len -= movebit;
                ull bring = A.at(posl)&(maxv-(1ULL<<lmod)+1);
                A2.at(posL) ^= (bring>>lmod)<<Lmod;
                lmod = mod,Lmod += movebit;
            }
            if(lmod == mod) lmod = 0,posl++;
            if(Lmod == mod) Lmod = 0,posL++;
        }
        while(len--){
            if(A.at(posl)&(1ULL<<lmod)) A2.at(posL) ^= 1ULL<<Lmod;
            lmod++,Lmod++;
            if(lmod == mod) lmod = 0,posl++;
            if(Lmod == mod) Lmod = 0,posL++;
        }
        int start = L/mod;
        posL = min(posL,n-1);
        for(int i=start; i<=posL; i++){
            A.at(i) ^= A2.at(i);
            A2.at(i) = 0;
        }
    };

    for(auto [l,r,L,R] : lrLR) move(l-1,r,L-1,R);
    
    pos = 0,bit = 0;
    for(int i=0; i<N; i++){
        if(A.at(pos)&(1ULL<<bit)) cout << "O";
        else cout << "E";
        bit++; 
        if(bit == mod) bit = 0,pos++;
    }
    cout << endl;

}