diff --git a/main.py b/main.py
index b18fbc4..a84711a 100755
--- a/main.py
+++ b/main.py
@@ -47,8 +47,20 @@ def parseInput():
 
     return videoCount, endpointCount, cacheCount, videoSizes, endpointDatacenterLatencies, endpointCacheLatencies, requestDescriptions
 
+def printOutput(caches):
+    print(len(caches))
+
+    for cacheId, cacheVideos in caches.items():
+        print(" ".join(str (i) for i in [cacheId] + cacheVideos))
+
 def main():
     videoCount, endpointCount, cacheCount, videoSizes, endpointDatacenterLatencies, endpointCacheLatencies, requestDescriptions = parseInput()
 
+    # TODO: everything
+    #caches[0] = [1, 2, 3]
+    #caches[2] = [1, 2, 3]
+
+    printOutput(caches)
+
 if __name__ == '__main__':
     main()