diff --git a/jour1/input b/jour1/input
new file mode 100644
index 0000000..c8f7992
--- /dev/null
+++ b/jour1/input
@@ -0,0 +1,200 @@
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diff --git a/jour1/main.c b/jour1/main.c
new file mode 100644
index 0000000..7c1491b
--- /dev/null
+++ b/jour1/main.c
@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define FILENAME "input"
+#define NUMBER_LINES 200
+
+int main ()
+{
+    FILE *ptr = fopen(FILENAME, "r");
+
+    if (ptr == NULL)
+    {
+      return 1;
+    }
+
+    int find = 0, i = 0, j, k, a, b, c, line;
+    int array[NUMBER_LINES];
+
+    // init du tableau
+    while (i <= NUMBER_LINES)
+    {
+      fscanf(ptr, "%d", &line);
+      array[i] = line;
+      i++;
+    }
+    fclose(ptr);
+
+    // recherche des nombres
+    i = 0;
+    while (!find && i < NUMBER_LINES)
+    {
+        j = 0;
+        a = array[i];
+        while (!find && j < NUMBER_LINES)
+        {
+            k = 0;
+            b = array[j];
+
+            // boucle pour la 2e partie
+            while (!find && k < NUMBER_LINES)
+            {  
+              c = array[k];
+              if (a + b + c == 2020)
+              {
+                  find = a * b * c;
+              }
+              k++;
+            }
+            j++;
+        }
+        i++;
+    }
+    printf("find : %d\n", find);
+    return 0;
+}