diff --git a/day4/advent_of_code_day4.txt b/day4/advent_of_code_day4.txt
new file mode 100644
index 0000000..2a94689
--- /dev/null
+++ b/day4/advent_of_code_day4.txt
@@ -0,0 +1,55 @@
+@name Advent of Code
+@inputs 
+@outputs 
+@persist Input:array [I Overlaps]:number
+@trigger 
+
+runOnFile(1)
+interval(100)
+
+if(first()) {
+    fileLoad("input.txt")
+}
+
+if(fileClk()) {
+    Input = fileRead():explode("\n")
+    Input:removeString(Input:count())
+    I = 1
+    Overlaps = 0
+}
+
+if(fileLoaded() && I <= Input:count()) {
+    #printTable(Input)
+    
+    while(perf()) {
+        #print(Input[I,string])
+        Thing = Input[I,string]:explode(",")
+        
+        Range1 = Thing[1,string]:explode("-")
+        Range2 = Thing[2,string]:explode("-")
+        
+        if(Range1[1,string]:toNumber() >= Range2[1,string]:toNumber()
+        && Range1[2,string]:toNumber() <= Range2[2,string]:toNumber()) {
+            #print(I+": True1")
+            Overlaps++
+        } elseif(Range2[1,string]:toNumber() >= Range1[1,string]:toNumber()
+        && Range2[2,string]:toNumber() <= Range1[2,string]:toNumber()) {
+            #print(I+": True2")
+            Overlaps++
+        } else {
+            #print(I+": False")
+        }
+        I++
+        if(I > Input:count()) {
+            break
+        }
+    }
+}
+
+if(fileLoaded() && I > Input:count()) {
+    print(Overlaps)
+    print(I)
+    runOnTick(0)
+    stoptimer("interval")
+}
+
diff --git a/day4/advent_of_code_day4_part2.txt b/day4/advent_of_code_day4_part2.txt
new file mode 100644
index 0000000..a46c768
--- /dev/null
+++ b/day4/advent_of_code_day4_part2.txt
@@ -0,0 +1,55 @@
+@name Advent of Code Part 2
+@inputs 
+@outputs 
+@persist Input:array [I Overlaps]:number
+@trigger 
+
+runOnFile(1)
+interval(100)
+
+if(first()) {
+    fileLoad("input.txt")
+}
+
+if(fileClk()) {
+    Input = fileRead():explode("\n")
+    Input:removeString(Input:count())
+    I = 1
+    Overlaps = 0
+}
+
+if(fileLoaded() && I <= Input:count()) {
+    #printTable(Input)
+    
+    while(perf()) {
+        #print(Input[I,string])
+        Thing = Input[I,string]:explode(",")
+        
+        Range1 = Thing[1,string]:explode("-")
+        Range2 = Thing[2,string]:explode("-")
+        
+        if(Range2[1,string]:toNumber() <= Range1[2,string]:toNumber()
+        && Range2[2,string]:toNumber() >= Range1[1,string]:toNumber()) {
+            #print(I+": True1")
+            Overlaps++
+        } elseif (Range1[1,string]:toNumber() <= Range2[2,string]:toNumber()
+        && Range1[2,string]:toNumber() >= Range2[1,string]:toNumber()) {
+            #print(I+": True2")
+            Overlaps++
+        } else {
+            #print(I+": False")
+        }
+        I++
+        if(I > Input:count()) {
+            break
+        }
+    }
+}
+
+if(fileLoaded() && I > Input:count()) {
+    print(Overlaps)
+    print(I)
+    runOnTick(0)
+    stoptimer("interval")
+}
+
diff --git a/day4/input.txt b/day4/input.txt
new file mode 100644
index 0000000..ee4fcce
--- /dev/null
+++ b/day4/input.txt
@@ -0,0 +1,1000 @@
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diff --git a/day4/input2.txt b/day4/input2.txt
new file mode 100644
index 0000000..4c0ba3d
--- /dev/null
+++ b/day4/input2.txt
@@ -0,0 +1,20 @@
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