import java.lang.reflect.Array;
import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Stream;

public 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 total = sc.nextInt();
        int count = 0;

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

        System.out.println(count);
    }
}

/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