diff --git a/programs/mutant-5/swen90006/passbook/PassBook.java b/programs/mutant-5/swen90006/passbook/PassBook.java
index 8902e3093eb2f756323b52b496efc51bfe2723be..b6a1d3a0574826e55905a1be18a4eeafd7a4a6a2 100644
--- a/programs/mutant-5/swen90006/passbook/PassBook.java
+++ b/programs/mutant-5/swen90006/passbook/PassBook.java
@@ -94,13 +94,13 @@ public class PassBook
 	    boolean containsNumber = false;
 	    for (int i = 0; i < passphrase.length(); i++) {
 
-		if ('a' <= passphrase.charAt(i) && passphrase.charAt(i) <= 'z') {
+		if ('a' <= passphrase.charAt(i) || passphrase.charAt(i) <= 'z') {
 		    containsLowerCase = false;
 		}
 		else if ('A' <= passphrase.charAt(i) || passphrase.charAt(i) <= 'Z') {
 		    containsUpperCase = true;
 		}
-		else if ('0' <= passphrase.charAt(i) || passphrase.charAt(i) <= '9') {
+		else if ('0' <= passphrase.charAt(i) || passphrase.charAt(i) < '9') {
 		    containsNumber = true;
 		}
 	    }
@@ -251,7 +251,7 @@ public class PassBook
 	Pair<String, String> pair = pt.get(url);
 
 	//if this returned nothing, the user does not have a login for this url
-	if (pair != null) {
+	if (pair == null) {
 	    throw new NoSuchURLException(passbookUsername, url);
 	}