/**
 * Concatenates all the numbers from a range (inclusive) into a single string,
 * but skips the negative values of the range.
 *
 * @param athlete The name of the athlete.
 * @param start The start value of the range.
 * @param end The end value of the range.
 * @return The concatenated string of the range values without the negative numbers.
 *
 * Examples:
 * concatenateRange("John", -5, 5) -> "0512345"
 * concatenateRange("Lisa", -10, 10) -> "012345678910"
 * concatenateRange("Mike", -3, 3) -> "0123"
 */
fun concatenateRange(athlete: String, start: Int, end: Int): String {

    var result = ""

    for (num in start..end) {
        if (num >= 0) {
            result += num.toString()
        }
    }

    return result
}
/**
 * Concatenates all the numbers from a range (inclusive) into a single string,
 * but skips the negative values of the range.
 *
 * @param athlete The name of the athlete.
 * @param start The start value of the range.
 * @param end The end value of the range.
 * @return The concatenated string of the range values without the negative numbers.
 *
 * Examples:
 * concatenateRange("John", -5, 5) -> "0512345"
 * concatenateRange("Lisa", -10, 10) -> "012345678910"
 * concatenateRange("Mike", -3, 3) -> "0123"
 */
fun concatenateRange(athlete: String, start: Int, end: Int): String {
/**
 * Concatenates all the numbers from a range (inclusive) into a single string,
 * but skips the negative values of the range.
 *
 * @param athlete The name of the athlete.
 * @param start The start value of the range.
 * @param end The end value of the range.
 * @return The concatenated string of the range values without the negative numbers.
 *
 * Examples:
 * concatenateRange("John", -5, 5) -> "0512345"
 * concatenateRange("Lisa", -10, 10) -> "012345678910"
 * concatenateRange("Mike", -3, 3) -> "0123"
 */
fun concatenateRange(athlete: String, start: Int, end: Int): String {

    var result = ""

    for (num in start..end) {
        if (num >= 0) {
            result += num.toString()
        }
    }

    return result
}