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Spongebob fails at counting. He has a list of numbers but only wants to know the value of the *x*^{th} number.

## Input

The first line of input is a 2 integer, *n* and *x*.

*n* represents the number of numbers in the list and 0 < *n* < 50000.
*x* is the position of the number spongebob wants to know.

The following line contains *n* space-separated numbers.

## Output

Print the *x*^{th} number in the list Spongebob has.

## Sample Input

5 21 4 6 2 9

## Sample Output

4### Tags

### Subtasks and Limits

Subtask | Score | #TC | Time | Memory | Scoring |
---|---|---|---|---|---|

1 | 100 | 10 | 1s | 32MB | Average |

2 | 0 | 1 | 1s | 32MB | Average |

### Judge Compile Command

g++-7 ans.cpp -o lazysponge -Wall -static -O2 -lm -m64 -s -w -std=gnu++17 -fmax-errors=512