import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

class Main {

    public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            long count = Integer.parseInt(br.readLine());
            List<Long> numberList = new ArrayList<>();
            for (long i = 1; i <= count; i++) {
                if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                }
            }

            long result = 0;
            for (long number : numberList) {
                result = result + number;
            }
            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.ArrayList; ArrayList java.util import java.util.List; List java.util class Main {

    public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            long count = Integer.parseInt(br.readLine());
            List<Long> numberList = new ArrayList<>();
            for (long i = 1; i <= count; i++) {
                if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                }
            }

            long result = 0;
            for (long number : numberList) {
                result = result + number;
            }
            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    }
} Main public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            long count = Integer.parseInt(br.readLine());
            List<Long> numberList = new ArrayList<>();
            for (long i = 1; i <= count; i++) {
                if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                }
            }

            long result = 0;
            for (long number : numberList) {
                result = result + number;
            }
            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    } main {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            long count = Integer.parseInt(br.readLine());
            List<Long> numberList = new ArrayList<>();
            for (long i = 1; i <= count; i++) {
                if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                }
            }

            long result = 0;
            for (long number : numberList) {
                result = result + number;
            }
            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    } try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            long count = Integer.parseInt(br.readLine());
            List<Long> numberList = new ArrayList<>();
            for (long i = 1; i <= count; i++) {
                if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                }
            }

            long result = 0;
            for (long number : numberList) {
                result = result + number;
            }
            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } IOException | NumberFormatException e {
            e.printStackTrace();
            System.exit(0);
        } e.printStackTrace() e.printStackTrace e System.exit(0) System.exit System 0 catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        } final Exception e {
            e.printStackTrace();
            System.exit(0);
        } e.printStackTrace() e.printStackTrace e System.exit(0) System.exit System 0 {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            long count = Integer.parseInt(br.readLine());
            List<Long> numberList = new ArrayList<>();
            for (long i = 1; i <= count; i++) {
                if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                }
            }

            long result = 0;
            for (long number : numberList) {
                result = result + number;
            }
            System.out.println(result);
        } BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) long count = Integer.parseInt(br.readLine()); count Integer.parseInt(br.readLine()) Integer.parseInt Integer br.readLine() br.readLine br List<Long> numberList = new ArrayList<>(); numberList new ArrayList<>() for (long i = 1; i <= count; i++) {
                if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                }
            } long i = 1; long i = 1; i 1 i <= count i count i++ i++ i {
                if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                }
            } {
                if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                }
            } if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                } i % 3 == 0 && i % 5 == 0 i % 3 == 0 i % 3 i 3 0 i % 5 == 0 i % 5 i 5 0 {
                    continue;
                } continue; if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                } i % 3 == 0 i % 3 i 3 0 {
                    continue;
                } continue; if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                } i % 5 == 0 i % 5 i 5 0 {
                    continue;
                } continue; {
                    numberList.add(i);
                } numberList.add(i) numberList.add numberList i long result = 0; result 0 for (long number : numberList) {
                result = result + number;
            } long number numberList {
                result = result + number;
            } {
                result = result + number;
            } result = result + number result result + number result number System.out.println(result) System.out.println System.out System System.out result String[] args args
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

class Main {

    public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            long count = Integer.parseInt(br.readLine());
            List<Long> numberList = new ArrayList<>();
            for (long i = 1; i <= count; i++) {
                if (i % 3 == 0 && i % 5 == 0) {
                    continue;
                } else if (i % 3 == 0) {
                    continue;
                } else if (i % 5 == 0) {
                    continue;
                } else {
                    numberList.add(i);
                }
            }

            long result = 0;
            for (long number : numberList) {
                result = result + number;
            }
            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    }
}