package no142;

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;
import java.util.NoSuchElementException;

public class Main {
	static IO io = new IO();
	public static void main(String[] args) {
		int n = io.nextInt();
		int n2 = (n+63)/64;
		long[] a2 = new long[n2+2];
		long seed = io.nextLong();
		long x = io.nextLong();
		long y = io.nextLong();
		long z = io.nextLong();
		long a = seed;
		for(int i=0;i<n;i++) {
			a2[i/64] |= (long) (a%2) << (long) (i%64);
			a = (x * a + y) % z;
		}
		long[] temp = new long[n2+2];
		int q = io.nextInt();
		for(int qq=0;qq<q;qq++) {
//			debug(a2);
			int s = io.nextInt() - 1;
			int t = io.nextInt() - 1;
			int u = io.nextInt() - 1;
			io.nextInt(); // v
			int s2 = s / 64;
			int t2 = t / 64;
			int u2 = u / 64;
			System.arraycopy(a2, s2, temp, 0, t2-s2+1);
			temp[0] &= ~((1L<<(long) (s%64))-1);
			temp[t2-s2] &= t%64 == 63 ? -1 : (1L<<(long) (t%64+1))-1;
			temp[t2-s2+1] = temp[t2-s2+2] = 0;
//			debug(temp);
			long shift = ((u%64 - s%64)+64)%64;
			int shift2 = u%64 < s%64 ? 1 : 0;
			if (shift > 0) {
				for(int i=t2-s2;i>=0;i--) {
					temp[i+1] |= temp[i] >>> (64-shift);
					temp[i] <<= shift;
				}
			}
//			debug(temp);
			for(int i=0;i<=t2-s2+1;i++) {
				a2[u2+i] ^= temp[i+shift2];
			}
		}
//		debug(a2);
		for(int i=0;i<n;i++) {
			io.print((a2[i/64]>>(i%64) & 1) == 0 ? 'E' : 'O');
		}
		io.println();
		io.flush();
	}

	static void debug(long[] a) {
		if (a.length > 20) {
			a = Arrays.copyOf(a, 20);
		}
		StringBuilder sb = new StringBuilder();
		for(int i=0;i<a.length;i++) {
			for(int j=0;j<64;j++) {
				sb.append(a[i]>>j&1);
			}
			sb.append('|');
		}
		System.out.println(sb.toString());
	}

}
class IO extends PrintWriter {
	private final InputStream in;
	private final byte[] buffer = new byte[1024];
	private int ptr = 0;
	private int buflen = 0;

	public IO() { this(System.in);}
	public IO(InputStream source) { super(System.out); this.in = source;}
	private boolean hasNextByte() {
		if (ptr < buflen) {
			return true;
		}else{
			ptr = 0;
			try {
				buflen = in.read(buffer);
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (buflen <= 0) {
				return false;
			}
		}
		return true;
	}
	private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
	private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
	private static boolean isNewLine(int c) { return c == '\n' || c == '\r';}
	public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
	public boolean hasNextLine() { while(hasNextByte() && isNewLine(buffer[ptr])) ptr++; return hasNextByte();}
	public String next() {
		if (!hasNext()) {
			throw new NoSuchElementException();
		}
		StringBuilder sb = new StringBuilder();
		int b = readByte();
		while(isPrintableChar(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	public char[] nextCharArray(int len) {
		if (!hasNext()) {
			throw new NoSuchElementException();
		}
		char[] s = new char[len];
		int i = 0;
		int b = readByte();
		while(isPrintableChar(b)) {
			if (i == len) {
				throw new InputMismatchException();
			}
			s[i++] = (char) b;
			b = readByte();
		}
		return s;
	}
	public String nextLine() {
		if (!hasNextLine()) {
			throw new NoSuchElementException();
		}
		StringBuilder sb = new StringBuilder();
		int b = readByte();
		while(!isNewLine(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	public long nextLong() {
		if (!hasNext()) {
			throw new NoSuchElementException();
		}
		long n = 0;
		boolean minus = false;
		int b = readByte();
		if (b == '-') {
			minus = true;
			b = readByte();
		}
		if (b < '0' || '9' < b) {
			throw new NumberFormatException();
		}
		while(true){
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			}else if(b == -1 || !isPrintableChar(b)){
				return minus ? -n : n;
			}else{
				throw new NumberFormatException();
			}
			b = readByte();
		}
	}
	public int nextInt() {
		long nl = nextLong();
		if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) {
			throw new NumberFormatException();
		}
		return (int) nl;
	}
	public char nextChar() {
		if (!hasNext()) {
			throw new NoSuchElementException();
		}
		return (char) readByte();
	}
	public double nextDouble() { return Double.parseDouble(next());}
	public int[] nextIntArray(int n) { int[] a = new int[n]; for(int i=0;i<n;i++) a[i] = nextInt(); return a;}
	public long[] nextLongArray(int n) { long[] a = new long[n]; for(int i=0;i<n;i++) a[i] = nextLong(); return a;}
	public double[] nextDoubleArray(int n) { double[] a = new double[n]; for(int i=0;i<n;i++) a[i] = nextDouble(); return a;}
	public void nextIntArrays(int[]... a) { for(int i=0;i<a[0].length;i++) for(int j=0;j<a.length;j++) a[j][i] = nextInt();}
	public int[][] nextIntMatrix(int n,int m) { int[][] a = new int[n][]; for(int i=0;i<n;i++) a[i] = nextIntArray(m); return a;}
	public char[][] nextCharMap(int n,int m) { char[][] a = new char[n][]; for(int i=0;i<n;i++) a[i] = nextCharArray(m); return a;}
	public void close() { super.close(); try {in.close();} catch (IOException e) {}}
}