numbers = []
numbers2 = []
with open("100.csv","r") as fh:
    header = fh.readline()
    for line in fh:
        line = line.rstrip()
        data = line.split(';')
        numbers.append(float(data[2]))
        
        sample = int(data[1].split('_')[1])
        if sample % 2 == 0:
            numbers2.append(float(data[2]))
        
average = sum(numbers)/len(numbers)
print(average)
average = sum(numbers2)/len(numbers2)
print(average)