/**
*作者:魏宝航
*2020年11月26日,下午20:32
*/
import java.util.*;
public class Test{
public static int[][] month=new int[][] {
{0,0},
{31,31},{28,29},{31,31},
{30,30},{31,31},{30,30},
{31,31},{31,31},{30,30},
{31,31},{30,30},{31,31}};
public static int isLeap(int year) {
if((year%4==0&&year%100!=0)||(year%400==0)){
return 1;
}
return 0;
}
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int time1,time2;
time1=sc.nextInt();
time2=sc.nextInt();
if(time1>time2) {
time1^=time2;
time2^=time1;
time1^=time2;
}
int year1=time1/10000;
int year2=time2/10000;
int month1=time1%10000/100;
int month2=time2%10000/100;
int day1=time1%100;
int day2=time2%100;
int ans=1;
while(year1<year2||month1<month2||day1<day2) {
day1++;
if(month[month1][isLeap(year1)]+1==day1) {
month1++;
day1=1;
}
if(month1==13) {
year1++;
month1=1;
}
ans++;
}
System.out.println("两天的间隔为:"+ans);
}
}