x,y=map(int,input().split())
#ans=x*y(????????????????????
ans=[]
for i in range(x):
    if i!=0:
        ans.append(((i-1)*y,i*y))
    for j in range(y-1):
        ans.append((i*y+j,i*y+j+1))
    if i==x-1:
        ans.append((0,i*y))
print(x*y,x*y)
for i,j in ans:
    print(i+1,j+1)