diff --git a/main.c b/main.c
index 42e2f3c..618fd1f 100644
--- a/main.c
+++ b/main.c
@@ -1,20 +1,31 @@
+#include <stdio.h>
+
 #include "algorithm.c"
 
 // gcc -g -Wall -Wextra -Wpedantic main.c -lSDL2 -lSDL2_image -lm -o main
 
-int main() {
+int main(int argc, char **argv) {
+    if (argc!=4) {
+        fprintf(stderr, "Usage: %s <creneaux> <colleurs> <output>\n", argv[0]);
+        exit(1);
+    }
+
+    char* path_creneaux = argv[1];
+    char* path_colleurs = argv[2];
+    char* path_output = argv[3];
+
     printf("Starting\n");
     srand(time(NULL));
 
     //creneau* edt = import_creneaux("file.txt", 76);
-    creneau* edt = import_creneaux_oneweek("MP2I-creneaux.txt", 33, 6);
+    creneau* edt = import_creneaux_oneweek(path_creneaux, 33, 6);
     int len_edt = 33*6;
 
     //colleur* dudes = import_colleurs("some_data.txt", 13, len_creneau);
-    colleur* dudes = import_colleurs_oneweek("MP2I-colleurs.txt", 16, 6, 33);
+    colleur* dudes = import_colleurs_oneweek(path_colleurs, 16, 6, 33);
     int n_colleurs = 16;
 
-    aux_2(edt, len_edt, dudes, n_colleurs, 15, 6, 5000, "output-15.csv");
+    aux_2(edt, len_edt, dudes, n_colleurs, 15, 6, 5000, path_output);
 
     for(int i = 0; i < len_edt; i++) {
         free(edt[i].name);