import sys

read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

B = 10 ** 5

N, S, X, Y, Z = map(int, readline().split())

def gen_A():
    x = S
    for i in range(N):
        yield x & 1
        x = X * x + Y
        x %= Z

A_str = ''.join(map(str, gen_A()))

nums = []
for i in range((N + B - 1) // B):
    nums.append(int(A_str[B * i:B * i + B][::-1], 2))

def get_local(n, L, R):
    n >>= L
    return n & ((1 << R - L) - 1)

def get(L, R):
    i = L // B
    L -= B * i
    R -= B * i
    if B >= R:
        return get_local(nums[i], L, R)
    left = get_local(nums[i], L, B)
    right = get_local(nums[i+1], 0, R-B)
    return left ^ (right << B - L)

def add_local(i, L, R, x):
    nums[i] ^= x << L

def add(L, R, x):
    i = L // B
    L -= B * i
    R -= B * i
    if B >= R:
        add_local(i, L, R, x)
        return
    left = x & ((1 << B - L) - 1)
    right = x >> (B - L)
    add_local(i, L, B, left)
    add_local(i+1, 0, R-B, right)

Q = int(readline())
m = map(int, read().split())
for s,t,u,v in zip(m,m,m,m):
    x = get(s-1,t)
    add(u-1, v, x)

x = ''.join(map(lambda x: bin(x)[2:][::-1], nums))

x += '0' * (N - len(x))
print(x.replace('0', 'E').replace('1','O'))