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Shell Script with command line arguments

How to pass values on commandline in shell script :

==============

#!/bin/bash

for i in $@

do

    echo $i
    s=$i
    if [ "$s" -lt "3" ]
    then
    echo "$s"
        fi   

done

==============

Output : # sh t2.sh 4 5 6
4
5
6

Output : # sh t2.sh 1 2 3 4
1
1 is less than 3
2
2 is less than 3
3
4

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