import java.util.Arrays;
import java.util.Collections;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();//500
        int b = sc.nextInt();//100
        int c = sc.nextInt();//50

        int x = sc.nextInt();
//        int a = 2;
//        int b = 2;
//        int c = 2;
//
//        int x = 100;

        int cnt = 0;
        for (int i = 0; i <= a; i++) {
            for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            }
        }


        System.out.println(cnt);

    }
} import java.util.Arrays; Arrays java.util import java.util.Collections; Collections java.util import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();//500
        int b = sc.nextInt();//100
        int c = sc.nextInt();//50

        int x = sc.nextInt();
//        int a = 2;
//        int b = 2;
//        int c = 2;
//
//        int x = 100;

        int cnt = 0;
        for (int i = 0; i <= a; i++) {
            for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            }
        }


        System.out.println(cnt);

    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();//500
        int b = sc.nextInt();//100
        int c = sc.nextInt();//50

        int x = sc.nextInt();
//        int a = 2;
//        int b = 2;
//        int c = 2;
//
//        int x = 100;

        int cnt = 0;
        for (int i = 0; i <= a; i++) {
            for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            }
        }


        System.out.println(cnt);

    } main {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();//500
        int b = sc.nextInt();//100
        int c = sc.nextInt();//50

        int x = sc.nextInt();
//        int a = 2;
//        int b = 2;
//        int c = 2;
//
//        int x = 100;

        int cnt = 0;
        for (int i = 0; i <= a; i++) {
            for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            }
        }


        System.out.println(cnt);

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int x = sc.nextInt(); x sc.nextInt() sc.nextInt sc int cnt = 0; cnt 0 for (int i = 0; i <= a; i++) {
            for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            }
        } int i = 0; int i = 0; i 0 i <= a i a i++ i++ i {
            for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            }
        } {
            for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            }
        } for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            } int j = 0; int j = 0; j 0 j <= b j b j++ j++ j {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            } {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            } for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                } int k = 0; int k = 0; k 0 k <= c k c k++ k++ k {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                } {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                } int total = i * 500 + j * 100 + k * 50; total i * 500 + j * 100 + k * 50 i * 500 + j * 100 + k * 50 i * 500 i 500 j * 100 j 100 k * 50 k 50 if(total == x){
                        cnt += 1;
                    } total == x total x {
                        cnt += 1;
                    } cnt += 1 cnt 1 System.out.println(cnt) System.out.println System.out System System.out cnt String[] args args public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();//500
        int b = sc.nextInt();//100
        int c = sc.nextInt();//50

        int x = sc.nextInt();
//        int a = 2;
//        int b = 2;
//        int c = 2;
//
//        int x = 100;

        int cnt = 0;
        for (int i = 0; i <= a; i++) {
            for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            }
        }


        System.out.println(cnt);

    }
} public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();//500
        int b = sc.nextInt();//100
        int c = sc.nextInt();//50

        int x = sc.nextInt();
//        int a = 2;
//        int b = 2;
//        int c = 2;
//
//        int x = 100;

        int cnt = 0;
        for (int i = 0; i <= a; i++) {
            for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            }
        }


        System.out.println(cnt);

    }
} Main
import java.util.Arrays;
import java.util.Collections;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();//500
        int b = sc.nextInt();//100
        int c = sc.nextInt();//50

        int x = sc.nextInt();
//        int a = 2;
//        int b = 2;
//        int c = 2;
//
//        int x = 100;

        int cnt = 0;
        for (int i = 0; i <= a; i++) {
            for (int j = 0; j <= b; j++) {
                for (int k = 0; k <= c; k++) {
                    int total = i * 500 + j * 100 + k * 50;
                    if(total == x){
                        cnt += 1;
                    }
                }
            }
        }


        System.out.println(cnt);

    }
}
