import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int fivehundred = in.nextInt();
        int oneHundred = in.nextInt();
        int fifty = in.nextInt();
        int total = in.nextInt();

        int sum = 0;
        int patterns = 0;

        for (int i = 0; i < fivehundred + 1; i++) {
            for (int j = 0; j < oneHundred + 1; j++) {
                for (int k = 0; k < fifty + 1; k++) {
                    sum = 500 * i + 100 * j + 50 * k;
                    if (sum == total) {
                        patterns++;
                    }
                }
            }
        }
        System.out.println(patterns);
    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz