import os


out = 0


def list_dir(path):
    ignore = [
        '.idea',
        '.git'
    ]
    for file in os.listdir(path):
        full_path = os.path.join(path, file)
        if os.path.isdir(full_path):
            if file not in ignore:
                list_dir(full_path)
        else:
            global out
            out += len(open(full_path, errors='ignore').readlines())

if __name__ == '__main__':
    list_dir(os.getcwd())
    print(out)