#include using namespace std; #define rep(i,a,b) for(int i=a;i vi; typedef vector vvi; string solve(vvi a) { vvi done(4, vi(4, 0)); int x, y; rep(yy, 0, 4) rep(xx, 0, 4) if (a[yy][xx] == 0) { x = xx; y = yy; } int dx[4] = { 0,0,1,-1 }; int dy[4] = { 1,-1,0,0 }; while (1) { bool ok = true; rep(yy, 0, 4) rep(xx, 0, 4) { if ((yy * 4 + xx + 1) % 16 != a[yy][xx]) ok = false; } if (ok) return "Yes"; ok = false; rep(i, 0, 4) { int xx = x + dx[i]; int yy = y + dy[i]; if (xx < 0 || 4 <= xx) continue; if (yy < 0 || 4 <= yy) continue; if (done[yy][xx] == 1) continue; if (a[yy][xx] == (y * 4 + x + 1) % 16) { swap(a[y][x], a[yy][xx]); ok = true; done[y][x] = 1; y = yy; x = xx; break; } } if (!ok) return "No"; } } int main() { vvi a(4, vi(4, 0)); rep(y, 0, 4) rep(x, 0, 4) cin >> a[y][x]; cout << solve(a) << endl; }