diff --git a/Fibonacci.class b/Fibonacci.class
index 2b9cc41..cde051f 100644
Binary files a/Fibonacci.class and b/Fibonacci.class differ
diff --git a/Fibonacci.java b/Fibonacci.java
index ddf00f8..4803141 100644
--- a/Fibonacci.java
+++ b/Fibonacci.java
@@ -3,14 +3,28 @@
 public class Fibonacci{
 
      public static void main(String []args){
-         int start = Integer.parseInt(args[0]);
-         BigInteger fib1 = new BigInteger("0");
-         BigInteger fib2 = new BigInteger("1");
-         for(int i = 0; i <= (start -2); i++) {
-             BigInteger fib3 = fib1.add(fib2);
-             System.out.println("F"+ i + " = " + fib1 + ", F" + (i+1) + " = " + fib2 + ", F" + (i+2) + " =  " + fib3);
-             fib1 = fib2;
-             fib2 = fib3;
-         }
+	int size = args.length;
+	if(args.length==0){
+		System.out.println("Should insert ags");
+		System.exit(0);
+	}
+        int start = Integer.parseInt(args[0]);
+	if(start==1) {
+		System.out.println("Why did u insert 1?");
+	}else{
+		System.out.println("Let it Go!!!!!!");
+	}
+	long startTime = System.currentTimeMillis();
+	BigInteger fib1 = new BigInteger("0");
+	BigInteger fib2 = new BigInteger("1");
+        for(int i = 0; i <= (start -2); i++) {
+        	BigInteger fib3 = fib1.add(fib2);
+             	System.out.println("F"+ i + " = " + fib1 + ", F" + (i+1) + " = " + fib2 + ", F" + (i+2) + " =  " + fib3);
+             	fib1 = fib2;
+             	fib2 = fib3;
+	}
+	long endTime   = System.currentTimeMillis();
+	long totalTime = endTime - startTime;
+	System.out.println("Execution time is " + totalTime);
      }
-}
\ No newline at end of file
+}