X, Y = map(int, input().split())
print(X*Y, X*Y)
for i in range(1, X):
    print((i-1)*Y+1, i*Y+1)
print(1, (X-1)*Y+1)

for i in range(X):
    for j in range(1,Y):
        print(i*Y+j, i*Y+j+1)