num1 = int(input("Write a number"))
num2 = int(input("Write other number"))
sol = str(input("Choose the operation: +, -, * or /"))
if sol == "+":
    print(num1 + num2)
elif sol == "-":
    print(num1 - num2)
elif sol == "*":
    print(num1 * num2)
elif sol == "/":
    if num2 == 0:
        print("el divisor debe de ser distinto de CERO!")
    else:
        print(num1 / num2
else:
    print("Try again!")
