// editor3
#include<stdio.h>
int main()
{
    int years;
    scanf("%d",&years);
    if(years<1)
    {
        printf("\nInvalid Input");
    }
    else if(years>=1&&years<=5)
    {
        printf("\n5%%");
    }
    else if("year>=65&&year>=10")
{
    printf("\n10%%");
}
else if(year>10)
{
    printf("\n15%%");
     }
  return 0;
  }