from collections import Counter

X, Y = map(int, input().split())

N, M = X * Y, X * Y
print(N, M)

for i in range(X):
    for j in range(Y - 1):
        u, v = i * Y + j + 1, i * Y + j + 2
        print(u, v)

for i in range(X):
    u, v = i * Y + 1, (i + 1) % X * Y + 1
    print(u, v)