Coins

package S5_WhileLoops;

import java.util.Scanner;

public class Coins {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double change = Double.parseDouble(scanner.nextLine());

        // convert change only in stotinki
        double changeInSt = change * 100;
        // save count of coins
        int stotinkiCount = 0;

        // iterate until we return the change
        while (changeInSt > 0) {
            // return 2 lv = 200 st.
            if(changeInSt >= 200) {
                changeInSt = changeInSt - 200;
            }
            // return 1 lv = 100 st.
            else if(changeInSt >= 100) {
                changeInSt = changeInSt - 100;
            }
            // return 50 st.
            else if(changeInSt >= 50) {
                changeInSt = changeInSt - 50;
            }
            // return 20 st.
            else if(changeInSt >= 20) {
                changeInSt = changeInSt - 20;
            }
            // return 10 st.
            else if(changeInSt >= 10) {
                changeInSt = changeInSt - 10;
            }
            // return 5 st.
            else if(changeInSt >= 5) {
                changeInSt = changeInSt - 5;
            }
            // return 2 st.
            else if(changeInSt >= 2) {
                changeInSt = changeInSt - 2;
            }
            // return 1 st.
            else if(changeInSt >= 1) {
                changeInSt = changeInSt - 1;
            }
            // for stotinki < 0 (floating number error)
            else {
                break;
            }

            stotinkiCount++;
        }

        System.out.println(stotinkiCount);


    }
}