N = int(input())
S = list(input())
T = list(input())
Q = int(input())
for iiii in range(Q):
    c, x, y = input().split()
    x = int(x) - 1
    if c == "S":
        S[x] = y
    else:
        T[x] = y
    if S > T:
        print(">")
    elif S == T:
        print("=")
    else:
        print("<")