#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define REP(i,s,n) for(int i=(int)(s);i<(int)(n);i++) using namespace std; typedef long long int ll; typedef vector VI; typedef pair PI; const double EPS=1e-9; int a[4][4]; int c[4][4] = {{1,2,3,4},{5,6,7,8},{9,10,11,12},{13,14,15, 0}}; int dp[4][4]; int main(void){ int sx = -1, sy; REP(i, 0, 4) { REP(j , 0, 4) { cin >> a[i][j]; dp[i][j] = a[i][j] != c[i][j]; if (a[i][j] == 0) { sx = i; sy = j; } } } queue que; que.push(PI(sx, sy)); int dx[4] = {1,0,-1,0}, dy[4] = {0, 1, 0, -1}; while (!que.empty()) { PI p = que.front(); que.pop(); REP(i, 0, 4 ) { int nx = p.first + dx[i]; int ny = p.second + dy[i]; dp[p.first][p.second] = 0; if (nx < 0 || nx >= 4 || ny < 0 || ny >= 4 || dp[nx][ny] == 0) { continue; } if (a[nx][ny] == c[p.first][p.second]) { que.push(PI(nx, ny)); break; } } } bool ok = 1; REP(i, 0, 4) REP(j, 0, 4) { ok &= ! dp[i][j]; } cout << (ok ? "Yes" : "No") << endl; }