#num1 = float(input("enter first number:"))
#num2 = float(input("enter second number"))
#sum = num1 + num2
#print("the sum of" num1,"and",num2,"is,sum)
# your code goes here
I251bTEgPSBmbG9hdChpbnB1dCgiZW50ZXIgZmlyc3QgbnVtYmVyOiIpKQojbnVtMiA9IGZsb2F0KGlucHV0KCJlbnRlciBzZWNvbmQgbnVtYmVyIikpCiNzdW0gID0gbnVtMSArIG51bTIKI3ByaW50KCJ0aGUgc3VtIG9mIiBudW0xLCJhbmQiLG51bTIsImlzLHN1bSkKIyB5b3VyIGNvZGUgZ29lcyBoZXJl