#include #include using namespace std; int a[16],cnt; main() { for(int i=0;i<16;i++) { cin>>a[i];a[i]--; if(a[i]<0)continue; int d=abs(i/4-a[i]/4)+abs(i%4-a[i]%4); if(d>1) { cout<<"No"<0)cnt++; } int next=15; for(;next!=-1;next=a[next])cnt--; cout<<(cnt==-1?"Yes":"No")<