#include <stdio.h>

int main() {
    int years;
    scanf("%d", &years);

    if (years < 1 || years > 40) {
        printf("Invalid Input");
    }
    else if (years >= 1 && years <= 5) {
        printf("5%%");
    }
    else if (years >= 6 && years <= 10) {
        printf("10%%");
   }