diff --git a/src/mnist/main.c b/src/mnist/main.c
index 90b5e4c..c413160 100644
--- a/src/mnist/main.c
+++ b/src/mnist/main.c
@@ -7,7 +7,7 @@
 #include "neuron_io.c"
 #include "mnist.c"
 
-#define EPOCHS 100
+#define EPOCHS 10
 #define BATCHES 100
 
 
diff --git a/src/mnist_cnn/cnn.c b/src/mnist_cnn/cnn.c
new file mode 100644
index 0000000..afbc8fb
--- /dev/null
+++ b/src/mnist_cnn/cnn.c
@@ -0,0 +1,16 @@
+#define PADING_INPUT 2
+
+void write_image_in_newtork_32(int** image, int height, int width, float** network) {
+    /* Ecrit une image 28*28 au centre d'un tableau 32*32 et met à 0 le reste */
+
+    for (int i=0; i < height+2*PADING_INPUT; i++) {
+        for (int j=PADING_INPUT; j < width+2*PADING_INPUT; j++) {
+            if (i<PADING_INPUT || i>height+PADING_INPUT || j<PADING_INPUT || j>width+PADING_INPUT){
+                network[i][j] = 0.;
+            }
+            else {
+                network[i][j] = (float)image[i][j] / 255.0f;
+            }
+        }
+    }
+}
diff --git a/src/matrix/matrix_2d.c b/src/mnist_cnn/matrix/matrix_2d.c
similarity index 100%
rename from src/matrix/matrix_2d.c
rename to src/mnist_cnn/matrix/matrix_2d.c
diff --git a/src/matrix/matrix_3d.c b/src/mnist_cnn/matrix/matrix_3d.c
similarity index 100%
rename from src/matrix/matrix_3d.c
rename to src/mnist_cnn/matrix/matrix_3d.c