X,Y=list(map(int,input().split()))
ans=[]
print(X*Y,X*Y)
for i in range(X):
	for j in range(Y-1):
		ans.append((i+X*j,i+X*(j+1)))
for i in range(X):
	ans.append((i,(i+1)%X))
for i in ans:
	print(i[0]+1,i[1]+1)