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

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

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