#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(ll i=0;i<n;i++)
#define repl(i,l,r) for(ll i=(l);i<(r);i++)
#define per(i,n) for(ll i=(n)-1;i>=0;i--)
#define perl(i,r,l) for(ll i=r-1;i>=l;i--)
#define fi first
#define se second
#define pb push_back
#define ins insert
#define pqueue(x) priority_queue<x,vector<x>,greater<x>>
#define all(x) (x).begin(),(x).end()
#define CST(x) cout<<fixed<<setprecision(x)
#define rev(x) reverse(x);
using ll=long long;
using vl=vector<ll>;
using vvl=vector<vector<ll>>;
using pl=pair<ll,ll>;
using vpl=vector<pl>;
using vvpl=vector<vpl>;
const ll MOD=1000000007;
const ll MOD9=998244353;
const int inf=1e9+10;
const ll INF=4e18;
const ll dy[8]={1,0,-1,0,1,1,-1,-1};
const ll dx[8]={0,-1,0,1,1,-1,1,-1};
template<class T> inline bool chmin(T& a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template<class T> inline bool chmax(T& a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
const int N=2000000;
bitset<N> dp;
int main(){
    ll n,s,x,y,z;cin >> n >> s >> x >> y >> z;
    ll now=s;
    rep(i,n){
        dp[i]=now%2;
        now=(x*now+y)%z;
    }
    //rep(i,n)cout << dp[i];cout << endl;
    ll q;cin >> q;
    while(q--){
        ll a,b,x,y;cin >> a >> b >> x >>y;
        auto ndp=dp;
        ndp>>=(a-1);
        //rep(i,n)cout << ndp[i];cout << endl;
        ndp<<=(N-(b-a+1));
        ndp>>=(N-y);
        dp^=ndp;
        //rep(i,n)cout << ndp[i];cout << endl;
        //rep(i,n)cout << dp[i];cout << endl;
    }
    rep(i,n){
        cout << (dp[i]? 'O':'E');
    }
    cout << endl;
}