#include #define rep(i,n) for(int i = 0; i < (n); i++) using namespace std; typedef long long ll; int main(){ cin.tie(0); ios::sync_with_stdio(0); vector> a(4, vector(4)); rep(i,4)rep(j,4) cin >> a[i][j]; vector> b = { { 1, 2, 3, 4}, { 5, 6, 7, 8}, { 9, 10, 11, 12}, {13, 14, 15, 0} }; int di[] = {0, 1, 0, -1}; int dj[] = {1, 0, -1, 0}; rep(_,20) { if(a == b) { cout << "Yes" << endl; return 0; } int i0 = -1, j0 = -1; rep(i,4)rep(j,4) if(a[i][j] == 0) i0 = i, j0 = j; rep(d,4) { int ni = i0 + di[d], nj = j0 + dj[d]; if(0 <= ni && ni < 4 && 0 <= nj && nj < 4) { if(a[ni][nj] == b[i0][j0]) { swap(a[i0][j0], a[ni][nj]); break; } } } } cout << "No" << endl; }