USD = 1
SAR = 3.75
EGP = 8.42
AED = 1.02

print("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")
print("welcome to $ EXCHANGE STORE $")
print("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n")


From = input("exchange from (USD, SAR, EGP, AED): ")
Amount = float(input("HOW much?"))
To = input("Exchange To (USD, SAR, EGP, AED):").upper()

NewAmount = 0

if From == To:
    print(f"You will keep your amount as it is, ({Amount}{From})")

elif From == "USD" and To == "SAR":
    NewAmount = Amount * SAR

elif From == "USD" and To == "EGP":
    NewAmount = Amount * EGP

elif From == "USD" and To == "AED":
    NewAmount = Amount * AED

elif From == "SAR" and To == "AED":
    NewAmount = Amount * AED

elif From == "SAR" and To == "EGP":
    NewAmount = Amount * EGP
elif From == "AED" and To == "USD":
    NewAmount = Amount * USD
elif From == "AED" and To == "SAR":
    NewAmount = Amount * SAR
elif From == "AED" and To == "EGP":
    NewAmount = Amount * EGP

elif From == "SAR" and To == "USD":
    NewAmount = Amount / SAR
elif From == "SAR" and To == "AED":
    NewAmount = Amount / SAR * USD
elif From == "SAR" and To == "EGP":
    NewAmount = Amount / SAR * USD

elif From == "EGP" and To == "USD":
    NewAmount = Amount / EGP * USD
elif From == "EGP" and To == "SAR":
    NewAmount = Amount / EGP * SAR
elif From == "EGP" and To == "AED":
    NewAmount = Amount / EGP * USD * AED

elif From == "AED" and To == "USD":
    NewAmount = Amount / AED * USD
elif From == "AED" and To == "SAR":
    NewAmount = Amount / AED * USD * SAR
elif From == "AED" and To == "EGP":
    NewAmount = Amount / AED * USD * EGP


else:
    print("You wrote wrong currency")


print(f"You will give {Amount} {From}, and you will take {NewAmount} {To}")