#include<bits/stdc++.h>
using namespace std;

int main()
{
    // Define the lower and upper bounds of the range
    int l = 2, r = 7;
    
    int sum = 0;  // Initialize the sum to 0
    
    // Loop through the range and calculate the sum
    for (int i = l; i <= r; i++) {
        sum += i;  // Add each number in the range to the sum
    }

    // Output the sum of numbers in the given range
    cout << "The sum of numbers in the given range is " << sum;

    return 0;
}
class Solution {

    // Function to calculate the sum of numbers in a given range
    public static int calculateSum(int l, int r) {
        int sum = 0;  // Initialize the sum to 0
        
        // Loop through the range and calculate the sum
        for (int i = l; i <= r; i++) {
            sum += i;  // Add each number in the range to the sum
        }
        
        return sum;  // Return the sum of numbers
    }
}

public class Main {

    public static void main(String[] args) {
        // Define the lower and upper bounds of the range
        int l = 2, r = 7;
        
        // Call the method to calculate the sum and print the result
        int sum = Solution.calculateSum(l, r);
        System.out.println("The sum of numbers in the given range is " + sum);
    }
}
# Function to calculate the sum of numbers in a given range
def calculate_sum(l, r):
    sum = 0  # Initialize the sum to 0
    
    # Loop through the range and calculate the sum
    for i in range(l, r + 1):
        sum += i  # Add each number in the range to the sum
    
    return sum  # Return the sum of numbers

# Driver code
if __name__ == "__main__":
    l = 2  # Lower bound of the range
    r = 7  # Upper bound of the range
    
    # Call the function to calculate the sum and print the result
    print(f"The sum of numbers in the given range is {calculate_sum(l, r)}")