2022.2.8

/*

#include <stdio.h>

int main()

{

int a;

scanf("%d",&a);

if((a%4==0)&&(a%100!=0)||(a%400==0)){

printf("yes");

}

else{

printf("no");

}

return 0;

}

*/

#include <stdio.h>

int main()

{

int a, b;

scanf("%d %d",&a, &b);

printf("%d", a/10000);

}