X,Y=map(int,input().split())
#まずシクロの部分を作る
g=[[] for i in range(X*Y)]
#長さYの足をX本用意
for i in range(X):
    for j in range(Y-1):
        #print(i*Y+j)
        g[i*Y+j].append(i*Y+j+1)
for i in range(X-1):
    g[i*Y].append((i+1)*Y)
g[0].append((X-1)*Y)
print(X*Y,X*Y)
for i in range(X*Y):
    if len(g[i])!=0:
        for j in g[i]:
            print(i+1,j+1)