from sys import set_int_max_str_digits
set_int_max_str_digits(0)
M = 998


def main():
    t = int(input())
    for _ in range(t):
        solve()


def solve():
    n, ti = map(int, input().split())
    dist = dict()
    dist[(1, 1)] = c = 0
    u = v = 1
    s = [(1, 1)]
    while True:
        u = u*n%M
        v = (u+v)%M
        c += 1
        if (u, v) in dist:
            break
        dist[(u, v)] = c
        s.append((u, v))
    f = dist[(u, v)]
    for _ in range(ti):
        k = int(input())
        print(s[k][1] if k < f else s[(k - f) % (c - f) + f][1])


if __name__ == '__main__':
    main()