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

#define REP(i,a,b) for(i=a;i<b;i++)
#define rep(i,n) REP(i,0,n)

#define ll long long
#define ull unsigned ll

void bitXOR(ull a[], ull b[], int stA, int stB, int len){
  int i, j, k;
  int sb, se, eb, ee;
  int sa, sa1, sa2;
  int move;

  static ull bit[65];
  static int fg = 0;

  if(!fg){
    fg = 1;
    bit[0] = 0;
    rep(i,64) bit[i+1] = (bit[i]<<1)|1ULL;
  }
  
  sb = stA / 64;
  se = stA % 64;
  eb = (stA+len) / 64;
  ee = (stA+len) % 64;
  
  sa = stA - stB;
  sa1 = sa / 64;
  sa2 = sa % 64;
  if(sa2 < 0) sa2 += 64, sa1--;
  
  if(stA > stB) {
    if(sb==eb){
      if(sa2) b[sb-sa1-1] ^= (a[sb]&(bit[ee]&(bit[64]^bit[se])))<<(64-sa2);
      b[sb-sa1] ^= (a[sb]&(bit[ee]&(bit[64]^bit[se])))>>sa2;
    } else {
      if(sa2) b[sb-sa1-1] ^= (a[sb]&(bit[64]^bit[se]))<<(64-sa2);
      b[sb-sa1] ^= (a[sb]&(bit[64]^bit[se]))>>sa2;
      for(i=sb+1;i<eb;i++){
        if(sa2) b[i-sa1-1] ^= a[i]<<(64-sa2);
        b[i-sa1] ^= a[i]>>sa2;
      }
      if(sa2) b[eb-sa1-1] ^= (a[eb]&(bit[ee]))<<(64-sa2);
      b[eb-sa1] ^= (a[eb]&(bit[ee]))>>sa2;
    }
  } else {
    if(sb==eb){
      b[sb-sa1] ^= (a[sb]&(bit[ee]&(bit[64]^bit[se])))>>sa2;
      if(sa2) b[sb-sa1-1] ^= (a[sb]&(bit[ee]&(bit[64]^bit[se])))<<(64-sa2);
    } else {
      b[eb-sa1] ^= (a[eb]&(bit[ee]))>>sa2;
      if(sa2) b[eb-sa1-1] ^= (a[eb]&(bit[ee]))<<(64-sa2);
      for(i=eb-1;i>sb;i--){
        b[i-sa1] ^= a[i]>>sa2;
        if(sa2) b[i-sa1-1] ^= a[i]<<(64-sa2);
      }
      b[sb-sa1] ^= (a[sb]&(bit[64]^bit[se]))>>sa2;
      if(sa2) b[sb-sa1-1] ^= (a[sb]&(bit[64]^bit[se]))<<(64-sa2);
    }
  }
}


ll A[2000010], B[2000010];

int arr[2000001];
ull bit[100000];

int N, X, Y, Z, Q;
int S, T, U, V, L;
char mode[10];
char res[2000100];

int main(){
  int i, j, k;

  scanf("%d%d%d%d%d",&N,&S,&X,&Y,&Z);

  A[0] = S;
  REP(i,1,N) A[i] = (A[i-1] * X + Y) % Z;
  rep(i,N) if(A[i]%2) bit[i/64] |= (1ULL << (i%64));

  scanf("%d",&Q);
  assert(0 <= Q && Q <= 200000);
  while(Q--){
    scanf("%d%d%d%d",&S,&T,&U,&V);
    S--; U--; L = T-S;
    bitXOR(bit, bit, S, U, L);
  }

  res[N] = '\0';
  rep(i,N){
    if(bit[i/64]&(1ULL<<(i%64))){
      res[i] = 'O';
    } else {
      res[i] = 'E';
    }
  }
  puts(res);

  return 0;
}