SDE Path

Average of Two Numbers

Easy

Average of Two Numbers

Compute the integer average of two non-negative numbers.

Input format

A single line with two non-negative integers A and B.

Output format

Print the average (A + B) / 2 using integer division (drop any fraction).

Constraints

  • Values fit in a 64-bit signed integer
  • Trailing whitespace and a trailing newline are ignored by the judge

Read from stdin, write to stdout. Sample cases below show the exact format.

Sample cases

Example 1
Input
4 6
Expected output
5
Example 2
Input
3 8
Expected output
5