// editor3
#include<stdio.h>
int main()
{
    int years;
    scanf("%d",&years);
    if(years<1)
    {
        printf("Invaild Input");
    }
    else if(years>1 && years<5)
    {
        printf("5percent");
            
    }
    else if(years>6 && years<10);
    {
        printf("10percent");}
    else if(years>10)
    {
        printf("15percent");
    }
    return 0;
}