import java.io.*;

import java.util.*;

public class Solution {

public static void main(String[] args) {

/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */

Scanner sc = new Scanner(System.in);

String expected = sc.nextLine();

String actual = sc.nextLine();

sc.close();

String delims = "[ ]+";

String[] e = expected.split(delims);

int eday = Integer.parseInt(e[0]);

int emonth = Integer.parseInt(e[1]);

int eyear = Integer.parseInt(e[2]);

String[] a = actual.split(delims);

int aday = Integer.parseInt(a[0]);

int amonth = Integer.parseInt(a[1]);

int ayear = Integer.parseInt(a[2]);

int hackos = 0;

if (eyear > ayear) {

hackos += 10000;

} else if (eyear < ayear) {

//do nothing

} else if(emonth > amonth) {

hackos += 500 * (emonth - amonth);

} else if(eday > aday) {

hackos += 15 * (eday - aday);

}

System.out.println(hackos);

}

}