# 1439 : Let's Compare!!!!

import numpy as np
from sys import stdin

N=int(stdin.readline())
blockSize=1000
if N<blockSize:
    blockSize=N

S=0
T=1
paddingSize=(blockSize-N%blockSize)%blockSize
padding="0"*paddingSize
N+=paddingSize
strS=padding+stdin.readline().rstrip()
strT=padding+stdin.readline().rstrip()
strST=[0]*2
strST[S]=[0]*int(np.floor(N/blockSize))
strST[T]=[0]*int(np.floor(N/blockSize))
k=0
for i in range(int(np.floor(N/blockSize))):
    strST[S][i]=strS[k:k+blockSize]
    strST[T][i]=strT[k:k+blockSize]
    k+=blockSize
Q=int(stdin.readline())

matchedMostRightBlock=-1
for _ in range(Q):
    c,x,y=stdin.readline().split()
    x=(int(x)-1)+paddingSize
    if c=='S':
        tStr=S
    else:
        tStr=T
    nThBlock=int(np.floor(x/blockSize))
    nThChar=x%blockSize
    strST[tStr][nThBlock]=strST[tStr][nThBlock][0:nThChar]+y+strST[tStr][nThBlock][nThChar+1:]
    result='='
    matchedMostRightBlock=min(nThBlock-1,matchedMostRightBlock)
    for i in range(matchedMostRightBlock+1,int(np.floor(N/blockSize))):
        intS=int(strST[S][i])
        intT=int(strST[T][i])
        if intS>intT:
            result='>'
            matchedMostRightBlock=i-1
            break
        elif intS<intT:
            matchedMostRightBlock=i-1
            result='<'
            break
    print(result)