1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
// Grzegorz Ryn
// V LO Kraków

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<bool> vb;
typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<ll> vl;
typedef vector<vector<ll>> vvl;

#define pb push_back
#define eb emplace_back
#define mp make_pair
#define mt make_tuple
#define st first
#define nd second
#define FOR(__VAR, __START, __END) for(int __VAR=__START; __VAR<=__END; __VAR++)
#define FORB(__VAR, __START, __END) for(int __VAR=__START; __VAR>=__END; __VAR--)
#define FORK(__VAR, __START, __END, __DIFF) for(int __VAR=__START; __VAR<=END; __VAR+=__DIFF)
#define all(__VAR) (__VAR).begin(), (__VAR).end()
#define rall(__VAR) (__VAR).rbegin(), (__VAR).rend()
#define DEBUG(__VAR) cout << #__VAR << ": " << __VAR << endl;

template<typename __T1, typename __T2>
ostream & operator<<(ostream &out, pair<__T1, __T2> &__VAR) {
	cout << "[" << __VAR.st << ", " << __VAR.nd << "]";
	return out;
}

template<typename __T>
ostream & operator<<(ostream &out, vector<__T> &__VAR) {
	cout << "[";
	FOR(i, 0, (int)__VAR.size()-2)
		cout << __VAR[i] << ", ";
	if(__VAR.size()>0)
		cout << __VAR[__VAR.size()-1];
	cout << "]" << endl;
	
	return out;
}

const int INF=1e9;

int get_sub() {
	string S;
	cin >> S;
	int sub = 0;
	for(int i=0; i<S.length(); i++) {
		sub += (S[i]-'0') * (1<<i);
	}
	return sub;
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	int t;
	cin >> t;
	while(t--) {
		int N;
		cin >> N;
		int start = get_sub();
		int endd = get_sub();
		
		vector<vector<int>> g(N);
		for(int i=0; i<N-1; i++) {
			int a, b;
			cin >> a >> b;
			a--, b--;
			g[a].pb(b);
			g[b].pb(a);
		}
		
		int M = 1<<N;
		vector<bool> dp(M, false);
		dp[start] = true;
		queue<int> Q;
		Q.push(start);
		while(!Q.empty()) {
			int sub = Q.front();
			Q.pop();
			
			for(int i=0; i<N; i++) {
				for(int j:g[i]) {
					int new_sub = sub;
					if((1<<i)&sub && ((1<<j)&sub)==0) {
						new_sub += 1<<j;
					}
					else if(((1<<i)&sub)==0 && (1<<j)&sub) {
						new_sub -= 1<<j;
					}
					
					if(dp[new_sub] == false) {
						dp[new_sub] = true;
						Q.push(new_sub);
					}
				}
			}
		}
		
		if(dp[endd]) {
			cout << "TAK\n";
		}
		else {
			cout << "NIE\n";
		}
	}

	return 0;
}