import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int x = sc.nextInt();
        x /= 50;
        int ans = 0;
        for (int i=0; i<=a; i++) {
            for (int j=0; j <= b; j++) {
                for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            }
        }
        System.out.println(ans);
        sc.close();
    }
} import java.util.*; util.* java class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int x = sc.nextInt();
        x /= 50;
        int ans = 0;
        for (int i=0; i<=a; i++) {
            for (int j=0; j <= b; j++) {
                for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            }
        }
        System.out.println(ans);
        sc.close();
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int x = sc.nextInt();
        x /= 50;
        int ans = 0;
        for (int i=0; i<=a; i++) {
            for (int j=0; j <= b; j++) {
                for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            }
        }
        System.out.println(ans);
        sc.close();
    } main {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int x = sc.nextInt();
        x /= 50;
        int ans = 0;
        for (int i=0; i<=a; i++) {
            for (int j=0; j <= b; j++) {
                for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            }
        }
        System.out.println(ans);
        sc.close();
    } 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 x /= 50 x 50 int ans = 0; ans 0 for (int i=0; i<=a; i++) {
            for (int j=0; j <= b; j++) {
                for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            }
        } 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++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            }
        } {
            for (int j=0; j <= b; j++) {
                for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            }
        } for (int j=0; j <= b; j++) {
                for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            } int j=0; int j=0; j 0 j <= b j b j++ j++ j {
                for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            } {
                for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            } for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                } int k=0; int k=0; k 0 k <= c k c k++ k++ k {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                } {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                } if (10*i + 2*j + k == x) {
                        ans ++;
                    } 10*i + 2*j + k == x 10*i + 2*j + k 10*i + 2*j + k 10*i 10 i 2*j 2 j k x {
                        ans ++;
                    } ans ++ ans System.out.println(ans) System.out.println System.out System System.out ans sc.close() sc.close sc String[] args args
import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int x = sc.nextInt();
        x /= 50;
        int ans = 0;
        for (int i=0; i<=a; i++) {
            for (int j=0; j <= b; j++) {
                for (int k=0; k <= c; k++) {
                    if (10*i + 2*j + k == x) {
                        ans ++;
                    }  
                }
            }
        }
        System.out.println(ans);
        sc.close();
    }
}