a=()
while read -n 1 c;do a+=($c);done
for((i=0;i<100;i++));do for((j=0;j<99;j++));do k=$((j+1));if [[ a[$j] > a[$k] ]];then t="${a[$k]}";a[$k]="${a[$j]}";a[$j]=$t;fi;done;done
echo $(IFS=;echo "${a[*]}")