added info <n>

src/Game.java

@@ -217,6 +217,23 @@ public class Game {
 				send(".");
 			} else if (msg.length() == 6) {
 				
+				String rawLine = msg.substring(5);
+				int line = -1;
+				try {
+					line = Integer.parseInt(rawLine) - 1;
+				} catch (NumberFormatException e) {
+					send("-ERR wrong argument.");
+				}
+				if (line >= 0 && line < 5) {
+					if (words[line] != null) {
+						send("+OK " + words[line] + " " + generateCode(words[line]));
+					} else {
+						send("-ERR game hasn't progressed to this line yet.");
+					}
+				} else {
+					send("-ERR couldn't parse line.");
+				}
+				
 			} else {
 				sendUniversalError();
 			}