N = int(input())
S = (input())
T = (input())
Q = int(input())

for i in range(Q):
    c = input()
    if c[0] == 'T':
        T = T[:int(c[2]) - 1] + c[4] + T[int(c[2]):]
    else:
        S = S[:int(c[2]) - 1] + c[4] + S[int(c[2]):]

    if S > T:
        print('>')
    elif T > S:
        print('<')
    else:
        print('=')