# -*- coding: utf-8 -*-
import math
vector1=[]
vector2=[]

for i in range(1,3):
    vector1.append(input("Ingresa cadena: \n"))
print vector1

for j in range(1,3):
    vector2.append(input("Ingresa cadena: \n"))
print vector2

for y in range(1,3):
    print vector1[y]
    print vector1[y]
    # print math.sqrt(math.pow(vector1[y+1]-vector1[y], 2))

# math.sqrt(math.pow())