N = int(input())
S = input()
T = input()
Q = int(input())
sl = len(str(S))
tl = len(str(T))
s = list(S)
t = list(T)
for _ in range(Q):
  A = list(map(str, input().split()))
  if A[0] == "S":
    s[int(A[1])-1] = A[2]
  else:
    t[int(A[1])-1] = A[2]
  if s == t:
    print("=")
    continue
  if s > t:
    print(">")
    continue
  else:
    print("<")
    continue