diff --git a/Day 3/Marcus/cpp/part1.cpp b/Day 3/Marcus/cpp/part1.cpp
index 5f4313d..811d406 100644
--- a/Day 3/Marcus/cpp/part1.cpp	
+++ b/Day 3/Marcus/cpp/part1.cpp	
@@ -10,7 +10,7 @@ int main()
 	
 	int result = 0;
     
-    while(cin >> in) for(int i = 0; i < 12; i++) counts[i] = (in[i]=='1')?(counts[i]+1):(counts[i]-1);
+    while(cin >> in) for(int i = 0; i < 12; i++) result = ((counts[i] += (in[i]=='1')?1:-1)>0)?(result|1<<(11-i)):(result&~(1<<(11-i)));
     
     for(int i = 0; i < 12; i++) result |= ((counts[i]>0)?1:0)<<(11-i);