10 20 30 P 40 50 S 10 30 P 34 50
P 10 10
S 45 60

double results = 0;

peek at the input and put the results in a character
while the input hasn't failed
	if the character we peeked is a letter and the character is 's' or 'S'
	or if the character is a digit
		go call the series function and store the answer in a running
		total
		results = results + series( input );
	else if the character we peeked is a letter and the character
	is 'P' or 'p'
		go call the parallel function and store the answer in a running
		total

		while( isspace( input.peek() ) )
			input.get();

		peek at the input and put the results in a character
		
		
series
	peek at the input and put the results in a character
	while the input hasn't failed and the next input is not a letter
		read the next double
		do the series goodness
		
		while( isspace( input.peek() ) )
			input.get();
		peek at the input and put the results in a character
		
		return the answer I summed up