====================================================================

#include<stdio.h>

int main()

{

    int i=0,r,year,month,day,t1,t2,c1=1,c2=1;

    int md[][13]= {{ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},{ 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }};

    scanf("%4d%2d%2d",&year,&month,&day);

    while(c1 || c2)

    {

        i++;

        day++;

        if(year%4==0 &&year%100!=0 || year%400==0)//判断是闰年

r=1;

else

r=0;

if(md[r][month]<day)

{

    day=1;

    month++;

    if(month>12)

    {

        month=1;

        year++;

    }

}

        t1=year*10000+month*100+day;

        if(c1 && month==day && year/100==year%100 && year/100==month/10+month%10*10)

        {

            printf("%d\n",t1);

            c1=0;

        }

        t2=day%10*10000000+day/10*1000000+month%10*100000+month/10*10000+year%10*1000+year/10%10*100+year/100%10*10+year/1000%10;

        if(c2 && t1==t2)

        {

            printf("%d\n",t1);

            c2=0;

        }

    }

    return 0;

}