print("Tailles de memoire en informatique")
a=0
b=1
while (a<53):
	a=a+1
	b=2**a
	if b<8:
		print ("2 a la puissance",a,"=",b,"bits")
	else :
		b2 = int(b/8)
		if b2<1024 :
			print ("2 a la puissance",a,"=",b,"bits =",b2,"octets")
		else :
			k = int(b2/1024)
			if k<1024:
				print ("2 a la puissance",a,"=",b,"bits =",b2,"octets =",k,"ko")
			else :
				m=int(k/1024)
				if m<1024 :
					print ("2 a la puissance",a,"=",b,"bits =",b2,"octets =",k,"ko =",m,"Mo")
				else :
					g = int(m/1024)    #nombre de giga-octets
					if g<1024 :
						print ("2 a la puissance",a,"=",b,"bits =",b2,"octets =",k,"ko =",m,"Mo =",g,"Go")
					else :
						t=int(g/1024)    #nombre de Tera-octets
						print ("2 a la puissance",a,"=",b,"bits =",b2,"octets =",k,"ko =",m,"Mo =",g,"Go =",t,"To")