String comparison

Algorithm
Step 1 : Start
Step 2 : Read strings str1 and str2
Step 3 : If str1 = str2 then
Print "Strings are the same"
Step 3.1 : else
Print "Strings are distinct"
Step 4 : Stop

Program (strcomp.sh)
echo -n "Enter the first string : "
read s1
echo -n "Enter the second string : "
read s2