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

N, S, X, Y, Z = map(int, readline().split())
A = [0] * N
A[0] = S & 1
x = S
for i in range(1, N):
    x = (x * X + Y) % Z
    A[i] = x & 1

A = int(''.join(map(str, reversed(A))), 2)

Q = int(readline())
m = map(int, read().split())
for s, t, u, v in zip(m, m, m, m):
    mask = (1 << t) - 1
    B = (A & mask) >> (s - 1)
    A ^= B << (u - 1)

parity = bin(A)[2:][::-1]
parity += '0' * (N - len(parity))
answer = parity.replace('0', 'E').replace('1', 'O')
print(answer)