#!/usr/bin/env python3
"""Process numbers from a file and output statistics."""

import sys

def main():
    filepath = sys.argv[1] if len(sys.argv) > 1 else "numbers.txt"
    
    # Read numbers from file
    with open(filepath, 'r') as f:
        content = f.read()
    
    numbers = [int(x) for x in content.strip().split('\n') if x.strip()]
    
    # Calculate statistics
    total = sum(numbers)
    count = len(numbers)
    avg = total / count if count > 0 else 0
    minimum = min(numbers) if numbers else 0
    maximum = max(numbers) if numbers else 0
    
    # Output results
    print(f"Sum: {total}")
    print(f"Count: {count}")
    print(f"Average: {avg:.2f}")
    print(f"Min: {minimum}")
    print(f"Max: {maximum}")

if __name__ == "__main__":
    main()