#include <iostream>
using namespace std;
int a[100][100],d,c;
void TaoMaTran()
{
int trai=0,tren=0,phai=c,duoi=d,dem=0,soluong=c*d;
while(dem<soluong)
{
for(int i=trai;i<phai;i++)
if(dem<soluong)
a[tren][i]=dem++;
tren++;
for(int i=tren;i<duoi;i++)
if(dem<soluong)
a[i][phai-1]=dem++;
phai--;
for(int i=phai-1;i>=trai;i--)
if(dem<soluong)
a[duoi-1][i]=dem++;
duoi--;
for(int i=duoi-1;i>=tren;i--)
if(dem<soluong)
a[i][trai]=dem++;
trai++;
}
}
void XuatMaTran()
{
for(int i=0;i<d;i++)
{
for(int j=0;j<c;j++)
if(a[i][j]>=10)
cout<<a[i][j]<<" ";
else
cout<<" "<<a[i][j]<<" ";
cout<<endl<<endl;
}
}
void main()
{
cout<<"Nhap dong,cot: ";
cin>>d>>c;
TaoMaTran();
cout<<"Ma tran xoan oc la: \n";
XuatMaTran();
}