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