double sign

[Сергей М]

Hello.
It is posible for me to sign petitions more than 1 time.
for example i sign this petition twice:
https://www.change.org/p/%D1%81%D0%BF%D0%B0%D1%81%D0%B8%D1%82%D0%B5-%D0%BD%D0%B0%D1%88%D1%83-%D0%B1%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D1%86%D1%83-%D0%B8-%D0%B5%D0%B5-%D0%BF%D0%B0%D1%86%D0%B8%D0%B5%D0%BD%D1%82%D0%BE%D0%B2-%D0%BE%D1%81%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%B8%D1%82%D0%B5-%D0%BF%D1%80%D0%BE%D0%B8%D0%B7%D0%B2%D0%BE%D0%BB-%D1%80%D1%83%D0%BA%D0%BE%D0%B2%D0%BE%D0%B4%D1%81%D1%82%D0%B2%D0%B0-%D0%B2-%D1%80%D0%BE%D1%81%D1%81%D0%B8%D0%B9%D1%81%D0%BA%D0%BE%D0%B9-%D0%B4%D0%B5%D1%82%D1%81%D0%BA%D0%BE%D0%B9-%D0%BA%D0%BB%D0%B8%D0%BD%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9-%D0%B1%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D1%86%D0%B5