#include<stdio.h>
int main(void){
int wh;
for(int i=1;i<=10;i++){
scanf("%d",wh);
if(wh > 40){
printf("overtime paid for worker%d is Rs.%d\n",i,(wh-40)*12);
}
else {
printf("No overtime for worker %d\n",i);
}
} return 0;
}