In a way of trying to solve the 23 code project of SOLOLEARN JavaScript course known widely with (The Snail in the Well) .. I produced this code which is worked with case of input = 128 and failed with input = 42. What I should modify in the code to implement the code successfully for all cases.

function main() {
    var depth = parseInt(readLine(), 10);
    //your code goes here
    
    let count=0
    for( let i=0;i<depth;){
        i+=5
        count++
    }
    console.log(count)
}

The Original Challenge:

P.S. //You can replace this [parseInt(readLine(), 10);] with 42 and 128 and remove the main function to enable work at any code editor.