9_march_2019_5_fitness_center

visitors = int(input())

back_workout = 0
chest_workout = 0
legs_workout = 0
abs_workout = 0
protein_shake = 0
protein_bar = 0

workout_visits = 0
protein_bought = 0

for i in range(visitors):
    activity = input()

    if activity == 'Back':
        back_workout += 1
        workout_visits += 1

    elif activity == 'Chest':
        chest_workout += 1
        workout_visits += 1

    elif activity == 'Legs':
        legs_workout += 1
        workout_visits += 1

    elif activity == 'Abs':
        abs_workout += 1
        workout_visits += 1

    elif activity == 'Protein shake':
        protein_shake += 1
        protein_bought += 1

    elif activity == 'Protein bar':
        protein_bar += 1
        protein_bought += 1

percentage_work_out_visitors = (workout_visits / visitors) * 100
percentage_protein_buyers = 100 - percentage_work_out_visitors

print(f'{back_workout} - back')
print(f'{chest_workout} - chest')
print(f'{legs_workout} - legs')
print(f'{abs_workout} - abs')
print(f'{protein_shake} - protein shake')
print(f'{protein_bar} - protein bar')
print(f'{percentage_work_out_visitors:.2f}% - work out')
print(f'{percentage_protein_buyers:.2f}% - protein')