def main():
    X, Y = map(int, input().split())

    print(X*Y, X*Y)
    for head_n in range(X):
        print(head_n*Y+1, ((head_n+1) % X)*Y+1)
        for diff in range(Y-1):
            print(head_n*Y+diff+1, head_n*Y+diff+2)


if __name__ == "__main__":
    main()