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

print(X*Y,X*Y)
for i in range(X):
    if i!=X-1:
        print(1+Y*i,1+Y*(i+1))
    else:
        print(1+Y*i,1)
    now=1+Y*i
    for j in range(Y-1):
        print(now,now+1)
        now+=1