diff --git a/dn2/Makefile b/dn2/Makefile
new file mode 100644
index 0000000..3ff03d1
--- /dev/null
+++ b/dn2/Makefile
@@ -0,0 +1,12 @@
+CC=gcc
+CFLAGS=-g -Wall -lpthread
+
+all: server
+
+server: server.c
+	$(CC) $(CFLAGS) server.c -o server
+
+clean: 
+	rm server 
+
+
diff --git a/dn2/server b/dn2/server
new file mode 100755
index 0000000..99371ff
Binary files /dev/null and b/dn2/server differ
diff --git a/dn2/server.c b/dn2/server.c
new file mode 100644
index 0000000..dbe7818
--- /dev/null
+++ b/dn2/server.c
@@ -0,0 +1,37 @@
+#include<stdio.h>
+#include <pthread.h> 
+
+#define N_THREADS 1
+#define N_STEPS 1
+#define N_NUMBERS_CALCULATED 2000
+
+typedef struct _IntervalInfo {
+  int start;
+  int end;
+} IntervalInfo;
+
+int friendly_numbers[N_NUMBERS_CALCULATED];
+long produced = 0;
+
+int calculate_amicable_number(int number) {
+    for(int i=1; i< number; i++){
+        if(number % i == 0){
+            number = number + i;
+        }
+    }
+    return number;
+}
+
+void *calculate_amicable_number_invterval(void * arg) {
+  return NULL;
+}
+
+int main() {
+	pthread_t threads[N_NUMBERS_CALCULATED];
+  
+  for(int i = 0; i < N_THREADS; i++) {
+		 pthread_create(&threads[i], NULL, calculate_amicable_number_invterval, NULL);
+  }
+
+  return 0;
+}