#include using namespace std; #define all(c) (c).begin(),(c).end() #define rrep(i,n) for(int i=(int)(n)-1;i>=0;i--) #define REP(i,m,n) for(int i=(int)(m);i<(int)(n);i++) #define rep(i,n) REP(i,0,n) #define iter(c) __typeof((c).begin()) #define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++) #define mem(a) memset(a,0,sizeof(a)) #define pb(a) push_back(a) #define in(a) insert(a) #define R cin>> #define F first #define S second #define C class #define ll long long #define ln cout<<'\n' #define _(_1,_2,_3,N,...)N #define pr(...) _(__VA_ARGS__,pr3,pr2,pr1)(__VA_ARGS__) templatevoid pr1(T a){cout<void pr2(T a,T2 b){cout<void pr3(T a,T2 b,T3 c){cout<void PR(T a,int n){rep(i,n){if(i)cout<<' ';cout<=0&&x=0&&y P; void Main() { int a[4][4],nx,ny; rep(i,4) { rep(j,4) { cin >> a[i][j]; if(!a[i][j]) nx=i,ny=j; } } bool ck=1,b[4][4]; mem(b); rep(t,16) { rep(i,4) { int x=nx+dx[i],y=ny+dy[i]; if(check(4,4,x,y) && a[x][y]==(nx*4+ny+1) && !b[x][y]) { swap(a[x][y],a[nx][ny]); nx=x,ny=y; b[x][y]=1; break; } } } rep(i,4) { rep(j,4) { int d=i*4+j+1; if(d<16 && a[i][j]!=d) ck=0; } } if(ck) pr("Yes"); else pr("No"); } int main() { ios::sync_with_stdio(0);cin.tie(0);Main(); return 0; }