ph_number = "123-456-789"
for i in ph_number:
if i == "-":
continue
print(i, end ="")
print (ph_number, end = "")
cGhfbnVtYmVyID0gIjEyMy00NTYtNzg5IgoKZm9yIGkgaW4gcGhfbnVtYmVyOgogICAgaWYgaSA9PSAiLSI6CiAgICAgICAgY29udGludWUKICAgIHByaW50KGksIGVuZCA9IiIpCgpwcmludCAocGhfbnVtYmVyLCBlbmQgPSAiIik=