n = int(input())
s = input()
t = input()
q = int(input())
s = [x for x in s]
t = [x for x in t]
for i in range(q):
  c, x, y = input().split()
  if c == 'S':
    s[int(x)-1] = y 
  else:
    t[int(x)-1] = y 

  if s > t:
    print('>')
  elif s < t:
    print('<')
  else:
    print('=')