#include<stdio.h>
int main()
{
    int years;
    scanf("%d",&years);
    if(years < 0)
    {
        printf("Invalid input");
    }
    else if(years >=1 &&years <= 5)
    {
        printf("5%%");
    }
    else if(years>=6&&years<=10)
    {
        printf("10%%");
    }
    else if(years>10)

}