#include <iostream>

using namespace std;

int main() {
int n, m;
cin » n » m;
int a[n+2][m+2];

for (int i = 0; i <= n + 1; i++) {
for (int j = 0; j <= m + 1; j++) {
a[i][j] = -1;
}
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
a[i][j] = 0;
}
}
int num = 0, row = 1, col = 0;

while (num < n * m) {
while (a[row][col + 1] == 0) {
col++;
num++;
a[row][col] = num;
}
while (a[row + 1][col] == 0) {
row++;
num++;
a[row][col] = num;
}
while (a[row][col - 1] == 0) {
col--;
num++;
a[row][col] = num;
}
while (a[row - 1][col] == 0) {
row--;
num++;
a[row][col] = num;
}
}

for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (a[i][j] % 10 == a[i][j]) cout « " ";
else if (a[i][j] % 100 == a[i][j]) cout « " ";
else if (a[i][j] % 1000 == a[i][j]) cout « " ";
cout « a[i][j];
}
cout « endl;
}
return 0;
}