import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

x, y = na()

# [1-y], [y+1, 2y] ...
print(x * y, x * y)

for i in range(x):
    for j in range(y - 1):
        print(i * y + j + 1, i * y + j + 2)
    if i == x - 1:
        print(i * y + 1, 1)
    else:
        print(i * y + 1, (i + 1) * y + 1)