c2VlayAoMCk7IHJlYWQgKDEpOyAgCgpmPW9wZW4oJ2lucHV0LnR4dCcsJ3cnKQoKZi53cml0ZSgnYWpzanNpZG1ta2trZGRtZG1kJykKCmYuY2xvc2UoKQoKZj1vcGVuKCdpbnB1dC50eHQnLCdyJykKCmYuc2VlaygwKQoKYT1mLnJlYWQoMSkKCnByaW50KGEpCgog
seek (0); read (1);
f=open('input.txt','w')
f.write('ajsjsidmmkkkddmdmd')
f.close()
f=open('input.txt','r')
f.seek(0)
a=f.read(1)
print(a)