#include
using namespace std;//
int main() {
int n,m;
cin>>n>>m;
int a[n][m];
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
cin>>a[i][j];
}
cout<<endl;
}
//for(int i=0;i<n;i++){
// for(int j=0;j<m;j++){
// cout<<a[i][j];
// }
// cout<<endl;
//}
int rs=0,cs=0,re=n-1,ce=m-1;
while(rs<=re && cs<=ce){
for(int i=cs;i<=ce;i++){
cout<<a[rs][i]<<", “;
}rs++;
//cout<<endl<<rs<<endl;
for(int i=rs;i<=re;i++){
cout<<a[i][ce]<<”, “;
}ce–;
//cout<<endl<<ce<<endl;
if(rs<re){
for(int i=ce;i>=cs;i–){
cout<<a[re][i]<<”, “;
}re–;
}
//cout<<endl<<re<<endl;
if(cs<ce){
for(int i=re;i>=rs;i–){
cout<<a[i][cs]<<”, ";
}cs++;
}
//cout<<endl<<cs<<endl;
}
cout<<“END”;
return 0;
}