diff --git a/p2.c b/p2.c
index 158443c..deb7121 100644
--- a/p2.c
+++ b/p2.c
@@ -15,11 +15,11 @@ int main() {
 		
 	while(c < 4000000) {
 		
-		c = a+b;
+		c = a + b;
 		a = b;
 		b = c;
 			
-		if((c % 2) == 0)
+		if (c & 1)
 			r += c;
 	}