x,y=map(int,input().split())
ans=[]
print(x*y,x*y)
for i in range(x):
    ans.append((i,(i+1)%x))
for i in range(y-1):
    for j in range(x):
        ans.append((i*x+j,(i+1)*x+j))
for u,v in ans:
    print(u+1,v+1)