inp1 = open("inp1.txt",'r')
inp2 = open("inp2.txt","r")
l=''
for l1 in inp1:
    l2 = inp2.readline()
    if l1[-1] =='\n':
        l1 = l1[:len(l1)-1]
    l += (l1+l2)
inp1.close()
inp2.close()
out = open('inp1.txt','w')
out.write(l)
out.close()