public static String below1000 (int n) {
		String str = "";
		if (n > 999) {
			System.out.println ("out of range");
		}
		else if (n==0) {
			str += "Zero";
		}
		else {
			if (n/100 != 0) {//n > 100
				str += int2Ones(n/100);// += "Hundred";
				str += " Hundred and ";
				n = n-n/100*100;
			}
			if (n/10 != 0) {//n > 10
				if (n >= 20) {//20-99
					str += int2Tens(n/10);
					n = n-n/10*10;
					if (n != 0) {
						str += int2Ones(n);
					}
				}
				else {//10-19
					str += intBelow20(n);
				}
			}
			else {
				str += int2Ones(n);
			}
		}
		return str;
	}