#include<stdio.h>
int main()
{
    int years;
    scanf("%d",&years);
    else (years<5)
    {
        printf("5% ");
    }
     else if (years<10)
    {
        printf("10% ");
    }
     else if (years>10)
    {
        printf("15% ")
    }
    return 0;
}