#p=[23,45,-31,-3,89,7,4,-2,4,56,-227,43]
p=[2,4,-5,8]
#p=[-3,-56,-38]
#p=[-2,-4,45,3,-7]
#p=[65,-2,-3,-4,-5,77]
n=range(len(p))
a=p[-1:]+[1]
b=p[1:]+[1,2]
c=n+p
d=p[:2]+n[1:2]
e=range(len(p[:3]))[-2]
print 'a',a
print 'b',b
print 'c',c
print 'd',d
print 'e',e