Find Minimum

Read an integer N, then read N integers. Print the smallest value.

Input

• First line: an integer N (1 <= N <= 2·10^4)
• The next N lines: one integer per line (-10^9 <= x <= 10^9)

Output

A single integer: the minimum value among the N numbers.

Examples

Input:
5
3
1
4
1
5
Output: 1

Input:
3
10
20
30
Output: 10

Input:
1
7
Output: 7

Input:
4
-5
-1
-10
-3
Output: -10