# ZADANIE 3
#!/bin/bash

while [ -n "$1" ];
do
	cat $1 | sort
	shift

done
# END ZADANIE 3

#ZADANIE 4
#!/bin/bash

while [ -n "$1" ];
do
	sort $1 | uniq -c | sort -r | head -3
	shift

done
#END ZADANIE 4

#ZADANIE 5
#!/bin/bash

FILE=$1
shift

while [ -n "$1" ];
do
	cp $FILE $1/$FILE
	shift

done
#END ZADANIE 5