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