using System;
using System.Collections.Generic;
using System.Text;

namespace P2rilus {
    class Rahakott: ISummeerija {
        List<int> rahad = new List<int>();
        public void Alusta() {
            rahad.Clear();
        }

        public void Lisa(int kogus) {
            rahad.Add(kogus);
        }

        public int KysiSumma() {
            int abi = 0;
            foreach (int raha in rahad) {
                abi += raha;
            }
            return abi;
        }
    }
}