x=raw_input("masukan ordo matrik");
x = int(x)
y = int(y)
isi = 1
ordo = 0
baris = 0
kolom = 0
kondisi = 1
tes = []
index = 0
while index<=x
    if kondisi ==1:
        while ordo<y:
            tes[ordo][index]=isi
            ordo +=1
            isi +=1
        else:
            kondisi = 0
            ordo +=1
            index +=1
    else:
        while ordo>=0:
            tes[ordo][index] = isi
            ordo +=1
            isi += 1
        else:
            kondisi = 1
            ordo +=1
            index +=1

while baris < x:
    while kolom < y:
        print tes[baris][kolom]
        kolom += 1
    else:
    print ("enter")
    baris += 1
    kolom = 0