#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

char*mmap();
#define rd(v) int v=0;{int _c;while(_c=*rp++-48,_c>=0)v=v*10+_c;}

char wbuf[1<<28];

#define rep(v,e) for(int v=0;v<e;++v)

char s[200000],t[200000];
unsigned long b1[64],b0[64*64];

main(){
	char*rp=mmap(0l,1l<<28,1,2,0,0ll);
	char*wp=wbuf;
	rd(n);
	memcpy(s,rp,n); rp+=n+1;
	memcpy(t,rp,n); rp+=n+1;
	rep(x,n){
		if(s[x]!=t[x]){
			b0[x>>6]|=1l<<(x>>0&63);
			b1[x>>12]|=1l<<(x>>6&63);
		}
	}
	rd(q);
	while(q--){
		int c=*rp; rp+=2;
		rd(x); --x;
		int y=*rp; rp+=2;
		(c&1?s:t)[x]=y;
		if(s[x]!=t[x]){
			b0[x>>6]|=1l<<(x>>0&63);
			b1[x>>12]|=1l<<(x>>6&63);
		}else{
			b0[x>>6]&=~(1l<<(x>>0&63));
			if(!b0[x>>6]){
				b1[x>>12]&=~(1l<<(x>>6&63));
			}
		}
		rep(j,64){
			if(b1[j]){
				j<<=6;
				while(!b0[j])++j;
				j<<=6;
				*wp++=memcmp(s+j,t+j,64)<0?'<':'>';
				goto hoge;
			}
		}
		*wp++='=';
		hoge:;
		*wp++=10;
	}
	write(1,wbuf,wp-wbuf);
	_exit(0);
}