diff --git a/README.md b/README.md
index fa0237d..2050495 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # OpenBootCampPython
 Repository to store Python boot camp.
+* Ejercicio 5: Escribe una función que pueda decirte si un año (número entero) es bisiesto o no.
+  * Path: 'src/ExerciseFive/isBisiesto.py'
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
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--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+-i https://pypi.org/simple
+setuptools==65.5.0 ; python_version >= '3.7'
+wheel==0.38.0
diff --git a/src/exercisefive/bisiesto.py b/src/exercisefive/bisiesto.py
new file mode 100644
index 0000000..d5c2471
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+++ b/src/exercisefive/bisiesto.py
@@ -0,0 +1,15 @@
+def isbisiesto(year):
+    """Script to check if an input year is leap year
+    :param year: year to check if is leap year
+    :type year: int
+    :return: True if is leap year, False if is not
+    :rtype: bool
+    """
+    if year % 4 != 0:
+        return False
+    elif year % 100 != 0:
+        return True
+    elif year % 400 != 0:
+        return False
+    else:
+        return True
diff --git a/src/main.py b/src/main.py
new file mode 100644
index 0000000..95a267c
--- /dev/null
+++ b/src/main.py
@@ -0,0 +1,17 @@
+from src.exercisefive.bisiesto import isbisiesto
+
+
+def main():
+    """Main script for exercise five
+    :return: None
+    :rtype: NoneType
+    """
+    year = input('Introduzca un año: ')
+    if isbisiesto(int(year)):
+        print('El año ' + year + ' es bisiesto')
+    else:
+        print('El año ' + year + ' no es bisiesto')
+
+
+if __name__ == '__main__':
+    main()