Standard input is empty

[["palto","red","kozha"],["palto","red","meh"],["palto","red","aluminij"],["palto","black","kozha"],["palto","black","meh"],["palto","black","aluminij"],["palto","white","kozha"],["palto","white","meh"],["palto","white","aluminij"],["noski","red","kozha"],["noski","red","meh"],["noski","red","aluminij"],["noski","black","kozha"],["noski","black","meh"],["noski","black","aluminij"],["noski","white","kozha"],["noski","white","meh"],["noski","white","aluminij"],["shapki","red","kozha"],["shapki","red","meh"],["shapki","red","aluminij"],["shapki","black","kozha"],["shapki","black","meh"],["shapki","black","aluminij"],["shapki","white","kozha"],["shapki","white","meh"],["shapki","white","aluminij"]]