# ETAPE 1
print("ETAPE 1")
for i in range(0, 5):
# ETAPE 2
print(i)
# ETAPE 3
print("ETAPE 3")
for j in range(5, 15):
print(j)
# ETAPE 4
print("ETAPE 4")
for k in range(10,-1,-1):
print(k)
# ETAPE 5
print("ETAPE 5")
for lettre in 'maison':
print(lettre)