import std.stdio;
import std.array;
import std.range;
import std.conv;
import std.string;
import std.algorithm;

void main()
{
	while(true)
	{
		int N = readln().chomp().to!int(), A = 0, B = 0;

		if(N == 0) break;
		
		foreach(_; 0..N)
		{
			auto line = readln().split.map!("a.to!int");
			int a = line[0], b = line[1];

			if(a > b) A += a + b;
			if(a < b) B += a + b;
			if(a == b) A += a, B += b;
		}

		writefln("%d %d", A, B);
	}
}