N=int(input())
S=list(map(int, list(input())))
T=list(map(int, list(input())))
Q=int(input())
import collections
que = collections.deque()
for q in range(Q):
    flag, s, v = input().split()
    s = int(s)-1
    v = int(v)
    if flag == "S":
        S[s] = v
    else:
        T[s] = v

    tmp = "="
    for s, t in zip(S, T):
        if s > t:
            tmp = ">"
            break
        elif s == t:
            continue
        elif s < t:
            tmp = "<"
            break
    que.append(tmp)
while que:
    print(que.popleft())