Олимпиадный тренинг

Задача 22003. Rule calculations - 1


Integers X and Y are given. Calculate the number Z, according to the following rule:
Z = X + Y,  if X <= Y;
Z = 1 - X + Y otherwise.

Input:
2 integers X and Y are entered from the keyboard.

Imprint 
It is necessary to display the value of the variable Z.
 
Example
test number Input Output
1 5 6 11
2 6 5 0