AMSSpecialist

function HoursToInteger(nH)
	t = {};
	if (#nH >= 1) then
		n = 0;
		for k, v in string.gmatch(nH, "*-(%d+)") do
			n = n + 1;
			t[n] = k;
		end
		if (t ~= nil and table.maxn(t) == 3) then
			nHours = t[1] * 60;
			nMins = t[2] * 60 / 60;
			if (tonumber(t[3]) > 30) then
				nSecs = Math.Round(t[3] * 60 / 3600, 0);
			else
				nSecs = 0;
			end
		elseif (t ~= nil and table.maxn(t) == 2) then
			nHours = t[1] * 60;
			nMins = t[2] * 60 / 60;
			nSecs = 0;
		elseif (t ~= nil and table.maxn(t) == 1) then
			nHours = t[1] * 60;
			nMins = 0;
			nSecs = 0;
		else
			nHours = 0;
			nMins = 0;
			nSecs = 0;
		end
		return (nHours + nMins + nSecs);
	end
end

Input.SetText("Input2", HoursToInteger(Input.GetText("Input1")));