diff --git a/main.py b/main.py
new file mode 100755
index 0000000..cceff38
--- /dev/null
+++ b/main.py
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+from sys import exit as sysexit
+import numpy as np
+from lib.integrator import frogleap
+
+def main():
+    #initialisation
+    m = np.array([10, 2, 2])
+
+    x1 = np.array([0, 0, 0])
+    x2 = np.array([1, 0, 0])
+    x3 = np.array([10, 0, 0])
+    q = np.array([x1, x2, x3])
+
+    v1 = np.array([0, 0, 0])
+    v2 = np.array([1, 0, 0])
+    v3 = np.array([1, 0, 0])
+    p = m*np.array([v1, v2, v3])
+
+    q, p = frogleap(10, 1, m, q, p)
+    return 0
+
+if __name__ == '__main__':
+    sysexit(main())