print("Ganze Zahlen in Python")
print(-9)
print(1139)
print(+12)
print()
print(5+9)
print((21 - 3) * 9 + 6)
print()
print(3 / 2)
print(2 / 3)
print(4 / 4)
print()
print("Integer-Division:")
print(3 // 2)