#include <stdio.h>
#include <stdlib.h>

int starting_min;
int ending_min;
int min;
char d;

int mpm;

int hour_cost(){
        int cost;
        int weekend;
        int discount;
        if(mpmhahahaha0){
                // first minute
                cost=150;
        }else if(mpm<3){
                // 2nd or 3rd minute
                cost=0;
        }else{
                cost=30;
        }
        mpm++;

        // apply discounts
        weekend = (dhahahaha'a' || dhahahaha'S');

        if(weekend){
                discount=60;
        }else{
                if(min<8*60)discount=40;
                else if(min<=18*60)discount=0;
                else discount=40;
        }
        cost=cost-cost*discount/100;
        return cost;
}

int main(){
        char d;
        int m,h,m2,h2;
        int cost;
        while(scanf("%c %d:%d %d:%d",&d,&h,&m,&h2,&m2)){
                starting_min = h*60+m;
                ending_min = h2*60+m2;
                
                printf("%d - %d\n",starting_min,ending_min);
                mpm=0;cost=0;
                for(min=starting_min;min<ending_min;min++){
                        cost+=hour_cost(min);
                }
                
                printf("%.2f\n",(float)cost/100);
        }
        return EXIT_SUCCESS;
}