def ii():
    S = input()
    return map(int,S.split()) if " " in S else int(S)
def ai(N = 0):
    return [list(map(int,input().split())) for _ in range(N)] if N!= 0 else list(map(int,input().split()))
def yn(BOOL):
    print("Yes" if BOOL==1 else "No")

import sys,math,heapq,bisect

from collections import defaultdict

X,Y = ii()

n = X*Y
print(n,n)

for y in range(Y-1):
    for x in range(X):
        print(x+1+y*X,x+1+(y+1)*X)
for x in range(X):
    print(x+1+X*(Y-1),(x+1)%X+1+X*(Y-1))