diff --git a/app/src/main/java/me/adamwlarson/class3/MainActivity.java b/app/src/main/java/me/adamwlarson/class3/MainActivity.java
index 1993797..0bf7349 100644
--- a/app/src/main/java/me/adamwlarson/class3/MainActivity.java
+++ b/app/src/main/java/me/adamwlarson/class3/MainActivity.java
@@ -24,8 +24,89 @@ public void onCalculate(View view) {
         tView.setText(Integer.toString(centuryFromYear(year)));
     }
 
-    private int centuryFromYear(int year) {
-        //TODO add your code yere
-        return 0;
-    }
+ private int centuryFromYear(int year) {
+	      if(year >= 2000) {
+	    	  System.out.print("20");
+	      }else {
+	    	  if(year >= 1900) {
+	    		  System.out.print("19");
+	    	  }else {
+	    		  if(year >= 1800) {
+	    			  System.out.print("18");
+	    		  }else {
+	    			  if(year >= 1700) {
+	    				  System.out.print("17");
+	    			  }else {
+	    				  if(year >= 1600) {
+	    					  System.out.print("16");
+	    				  }else {
+	    					  if(year >= 1500) {
+	    						  System.out.print("15");
+	    					  }else {
+	    						  if(year >= 1400) {
+	    							  System.out.print("14");
+		    					  }else {
+		    						  if(year >= 1300) {
+		    							  System.out.print("13");
+			    					  }else {
+			    						  if(year >= 1200) {
+			    							  System.out.print("12");
+				    					  }else{
+				    						  if(year >= 1100) {
+				    							  System.out.print("11");
+					    					  }else {
+					    						  if(year >= 1000) {
+					    							  System.out.print("10");
+						    					  }else {
+						    						  if(year >= 900) {
+						    							  System.out.print("9");
+							    					  }else {
+							    						  if(year >= 800) {
+							    							  System.out.print("8");
+								    					  }else {
+								    						  if(year >= 700) {
+								    							  System.out.print("7");
+									    					  }else {
+									    						  if(year >= 600) {
+									    							  System.out.print("6");
+										    					  }else {
+										    						  if(year >= 500) {
+										    							  System.out.print("5");
+											    					  }else {
+											    						  if(year >= 400) {
+											    							  System.out.print("4");
+												    					  }else {
+												    						  if(year >= 300) {
+												    							  System.out.print("3");
+													    					  }else {
+													    						  if(year >= 200) {
+													    							  System.out.print("2");
+														    					  }else {
+														    						  if(year >= 100) {
+														    							  System.out.print("1");
+															    					  }else {
+															    						  System.out.print("0");
+														    					  }
+													    					  }
+												    					  }
+											    					  }
+										    					  }
+									    					  }
+								    					  }
+							    					  }
+						    					  }
+					    					  }
+				    					  }
+			    					  }
+		    					  }
+	    					  }
+	    				  }
+	    			  }
+	    		  }
+	    	  }
+	      }
+	    }
+	}
+
 }
+