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Problems

Stand in order

Stand in order

Time limit 1 second
Memory limit 128 MiB

At one of the parallels of the Summer Computer School, n schoolchildren go to the parade. They need to stand in order. By the command of one schoolboy, all stand in a line and start counting. The first student in the line says "first", then the second says "second" and so on. Write this part of the script.

Input data

One number n~(1 \le n \le 1000).

Output data

Print in one line all the numbers from 1 to n.

Examples

Input example #1
1
Output example #1
1
Input example #2
4
Output example #2
1 2 3 4