Problem:
Reverse Sequence

Write a program which reverses a given string str.

Input

str (the size of str ≤ 20) is given in a line.

Output

Print the reversed str in a line.

Sample Input

w32nimda

Output for the Sample Input

admin23w

Solution in C (judge verdict: Compile Error)

#include <stdio.h>

int main(void)
{
	char str[21];
	char str_rev[21];
	int count = -1;
	
	scanf("%s", str);
	for (int i = 0; str[i] != '\0'; i++) {
		count++;
	}
	
	for (int i = 0; str[i] != '\0'; i++) {
		str_rev[i] = str[count - i];
	}
	
	printf("%s\n", str_rev);
	return 0;
}