a=0
for i in range(1,5):
    for j in range(1,5):
        for k in range (1,5):
            for h in range(1,5):
                if((i!=j)and(j!=k)and(k!=i)and(i!=h)and(j!=h)and(k!=h)):
                    print(i,j,k,h)
                    a+=1
print(a)