diff --git a/AnimalProcessing/Proficiencies/autre.c b/AnimalProcessing/Proficiencies/autre.c
new file mode 100644
index 0000000..121f141
--- /dev/null
+++ b/AnimalProcessing/Proficiencies/autre.c
@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <err.h>
+
+
+
+void clc(){
+
+
+    //pipes
+    int pipe1[2];// PIPE A
+    int pipe2[2];// PIPE B
+    if(pipe(pipe1) == -1) return;
+    if(pipe(pipe2) == -1) return;
+
+
+    char buffer[2048];
+    char buffer2[2048];
+    //fgets(buffer, 2047, stdin);
+
+
+    pid_t pid = fork();
+
+    if(pid < 0) return;
+    if (pid == 0){
+
+        while(read(pipe1[0],buffer ,2047 )){
+            int n = atoi(buffer);
+            
+            if(n == -1) exit(0);
+            char buf = n *n;
+
+            write(pipe2[1], &buf , 1);
+            
+
+        }
+    }
+
+    else{
+        
+        read(pipe2[0], buffer2, 2048);
+        if(strcmp(buffer2, "-1") == 0) {
+
+            close(pipe1[0]);
+            close(pipe1[1]);
+            close(pipe1[0]);
+            close(pipe1[1]);
+            return;
+        }
+        printf("The Oracle says the square is: %s\n", buffer2);
+    }
+}
+
+int main(){
+    
+    clc();
+
+
+}
diff --git a/AnimalProcessing/Proficiencies/double_pipe.c b/AnimalProcessing/Proficiencies/double_pipe.c
index 7c64751..98af798 100644
--- a/AnimalProcessing/Proficiencies/double_pipe.c
+++ b/AnimalProcessing/Proficiencies/double_pipe.c
@@ -14,14 +14,20 @@ ___( o)>
  Coic Coic
  */
 
-void clc(int n){
+void clc(){
 
+    int n = 0;
     int pipe1[2];
-    int pipe2[2];
+    int pipe2[2];  
+    char buffer[2048];
 
     if(pipe(pipe2) == -1) return;
     if(pipe(pipe1) == -1) return;
 
+    fgets(buffer, 2047, stdin);
+    n = atoi(buffer);
+    pipe1[1] = n;
+
     pid_t pid = fork();
 
     if(pid < 0) return;
@@ -31,19 +37,16 @@ void clc(int n){
 
         while(1){
 
-            if(pipe1[0] != NULL) pipe2[1] = n* n;            
+            if(pipe1[0]){
+                pipe2[1] = n* n;
+                exit(0);
+            }
         }
     }
     
     //Teacher ? WTF what are you doing with my uncle ? Why do you have an eggplant in your right hand and a riding whip in your left hand ? WTF is going on here    
     else {
-        char buffer[2048];
-
-        fgets(buffer, 2047, stdin);
         
-        int n = 0;
-        n = atoi(buffer);
-
         if(n == -1) {
             close(pipe1[0]);
             close(pipe2[1]);
@@ -53,13 +56,15 @@ void clc(int n){
         
         wait(NULL); //on attends le Child
         
-        printf("The Oracle says the square is: %i", pipe2[0]);
+        printf("The Oracle says the square is: %i\n", pipe2[0]);
     } 
 }
 
 
 int main() {
 
+    clc();
+    
     /*
     //[0] -> lecture | [1]-> ecriture
     int pipe1[2];
diff --git a/AnimalProcessing/Proficiencies/test b/AnimalProcessing/Proficiencies/test
new file mode 100755
index 0000000..2c08d6b
Binary files /dev/null and b/AnimalProcessing/Proficiencies/test differ