#include #include #include #include #include #include #include #include #include #define REP(i,k,n) for(int i=k;i P; int dx[4] = {1,0,-1,0}; int dy[4] = {0,1,0,-1}; int a[4][4] = { {1,2,3,4}, {5,6,7,8}, {9,10,11,12}, {13,14,15,0} }; int main() { vector< vector > v(4,vector(4)); rep(i,4) rep(j,4) cin >> v[i][j]; bool flag = true; int res = 0; rep(i,4) { rep(j,4) { if(v[i][j] == 0) { res = abs(i-3); continue; } queue,int > > que; que.push(mp(mp(i,j),0)); bool used[5][5]; memset(used,0,sizeof(used)); used[i][j] = true; int cost = 0; while(que.size()) { P p = que.front().first; int cnt = que.front().second; que.pop(); int y = p.first; int x = p.second; if(v[i][j] == a[y][x]) { cost = cnt; break; } used[y][x] = true; rep(k,4) { int ny = y + dy[k]; int nx = x + dx[k]; if(0 <= ny && ny < 4 && 0 <= nx && nx < 4 && !used[ny][nx]) { que.push(mp(mp(ny,nx),cnt+1)); } } } if(cost >= 2) { flag = false; } } } rep(i,4) { rep(j,4) { if(v[i][j] == 0) continue; REP(k,i,4) { if(k == i) { REP(l,j+1,4) { if(v[k][l] == 0) continue; if(v[i][j] > v[k][l]) res++; } } else { rep(l,4) { if(v[k][l] == 0) continue; if(v[i][j] > v[k][l]) res++; } } } } } if(flag && res%2 == 0) cout << "Yes" << endl; else cout << "No" << endl; return 0; }