#include<stdio.h>
int main() {
    int years_of_service;
    printf("Enter the number of years of service:");
    scanf("%d", &years_of_service);
    if(years_of_service<1){
        printf("Invaild input\n");
    }else if (years_of_service>=1&& years_of_service<=5){
        printf("10%% Bonus\n");
    } else if (years_of_service>=6&& years_of-service<=10){
        printf("10%% Bonus\n");
    } else {
        printf("15%% Bonus\n");
    }
    return 0;
}