Print Function

The included code stub will read an integer, n, from STDIN.

Without using any string methods, try to print the following: 123 . . . n

Note that “. . .” represents the consecutive values in between.

Example

Print the string 12345.

Input Format

The first line contains an integer n.

Constraints

1 ≤ n ≤ 150

Output Format

Print the list of integers from  through n as a string, without spaces.

Sample Input 0

3

Sample Output 0

123

Solution Implementation

if __name__ == '__main__':
    n = int(input())
    for i in range(n+1):
        if i==0:
            continue
        print(i, end="")