private static String isProtein(String[] codons, double[] composition) {
		if(!(composition[C] + composition[G] >= MINCGCOMPOSITION)) {
			return "NO";
		}
		if(!(codons.length >= 5)) {
			return "NO";
		}
		if(!codons[0].equals("ATG")) {
			return "NO";
		}
		String lastCodon = codons[codons.length - 1];
		if(!(lastCodon.equals("TAA")||lastCodon.equals("TAG")||lastCodon.equals("TGA"))) {
			return "NO";
		}
		return "YES";
	}