#include <stdio.h>
#include <stdlib.h>
/*
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*
#include<stdio.h>
int main()
{
int a, b;
scanf("%d %d",&a, &b);
if(b==1||b==2){
printf("%d",2013-(a/10000+1900));
}
else if(b==3||b==4){
printf("%d",2013-(a/10000+2000));
}
*/
#include<stdio.h>
int main()
{
int a, b;
scanf("%d",&a);
b = 2013-a;
if(b==1){
printf("%d",1900);
}
else if(b==3){
printf("%d",2000);
}
}