import sys

inv = [0, 1, 5, 0, 7, 2, 0, 4, 8, 0]


T = int(input())
for line in sys.stdin:
    lenS, x, a, b, m = map(int, line.split())
    pow3 = 0
    cum = 1
    r = x
    ans = r % 10
    allzeroflag = ans
    for d in range(1, lenS):
        r = ((r ^ a) + b) % m
        s = r % 10
        allzeroflag += s
        n = lenS - d
        while not n % 3:
            pow3 += 1
            n //= 3
        while not d % 3:
            pow3 -= 1
            d //= 3
        cum = (cum * n * inv[d % 9]) % 9
        if pow3 < 2:
            ans += cum * s * 3 ** pow3
    if allzeroflag == 0:
        print(0)
    else:
        print((ans - 1) % 9 + 1)