def main():
  from sys import stdin
  readline = stdin.readline
  n = int(readline())
  s = readline()[:-1]
  t = readline()[:-1]
  q = int(readline())
  s = [x for x in s]
  t = [x for x in t]
  for i in range(q):
    c, x, y = readline()[:-1].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('=')
main()