[골5] 12904 - A와 B

#include <iostream>
#include <algorithm>
#include <string>

using namespace std;

#pragma region 입출력 속도향상

#define FAST_IO() \
{\
	ios::sync_with_stdio(false);\
	cin.tie(NULL); \
	cout.tie(NULL); \
}\

#pragma endregion

int main()
{
	FAST_IO();

	string s, t;
	cin >> s >> t;

	while (t.length() != s.length())
	{
		if (t.back() != 'A')
		{
			t.pop_back();
			reverse(t.begin(), t.end());
		}
		else
			t.pop_back();
	}
	cout << (t == s);	
	return 0;
}