Display Smallest and Largest Number

#!/bin/bash
echo -n "Enter a number: "
read n
small=$n
large=$n
for ((i=1; i<5; i++)){
    echo -n "Enter a number: "
    read n
    if [ $large -lt $n ]
    then
        large=$n
    fi
    if [ $small -gt $n ]
    then
        small=$n
    fi
}
echo "Smallest: $small"
echo "Largest: $large"