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Timer

Time limit 1 second
Memory limit 128 MiB

Positive integer n is given. Simulate the timer countdown from n to 0 seconds as shown in the example.

Input data

One positive integer n.

Output data

Print numbers from n to 0 with text sek in column.

Examples

Input example #1
2
Output example #1
2 sek
1 sek
0 sek
Author Matviychuk Sergiy Volodymyrovych
Source "ABC programming"