static void Main(string[] args)
{
long capacity = long.Parse(Console.ReadLine());
var input = Console.ReadLine().Split(' ');
var bag = new bag(capacity);
for (int i = 0; i < input.Length; i += 2)
{
string key = input[i];
long value = long.Parse(input[i + 1]);
InsertItem(key, value, bag);
}
Console.WriteLine(bag.ToString());
}
