In python:
name = input("Hello! What is your name? ")
age = int(input("How old are you? "))
if age <= 10 or age >= 80:
print(f"Welcome {name}, you will be going to room A")
elif 11 <= age <= 20 or 70 <= age <= 79:
print(f"Welcome {name}, you will be going to room B")
elif 21 <= age <= 30 or 60 <= age <= 69:
print(f"Welcome {name}, you will be going to room C")
elif 31 <= age <= 40 or 50 <= age <= 59:
print(f"Welcome {name}, you will be going to room D")
elif 41 <= age <= 49:
print(f"Welcome {name}, you will be going to room E")
I hope this helps!