N = int(input())
S = input()
T = input()
Q = int(input())

D = 0
for i in range(N):
    if S[i] != T[i]:
        D = i+1 if S[i] > T[i] else -i-1
        break
    
def review(c, x):
    global N, S, T, D
    if c == 'S':
        if S[x-1] == y:
            return
        S = S[0:x-1] + y + S[x:]
    else:
        if T[x-1] == y:
            return
        T = T[0:x-1] + y + T[x:]
    if x < abs(D):
        D = x if S[x-1] > T[x-1] else -x
    elif x == abs(D):
        D = 0
        for i in range(x-1, N):
            if S[i] != T[i]:
                D = i+1 if S[i] > T[i] else -i-1
                break
            
for _ in range(Q):
    s = input().split()
    c, x, y = s[0], int(s[1]), s[2]
    review(c, x)
    if D == 0:
        print('-')
    else:
        print('>' if D > 0 else '<')