Problem:
Score : 200 points

Problem Statement

Given is a string S. Replace every character in S with x and print the result.

Constraints

S is a string consisting of lowercase English letters.

The length of S is between 1 and 100 (inclusive).

Input

Input is given from Standard Input in the following format:

S

Output

Replace every character in S with x and print the result.

Sample Input 1

sardine

Sample Output 1

xxxxxxx

Replacing every character in S with x results in xxxxxxx.

Sample Input 2

xxxx

Sample Output 2

xxxx

Sample Input 3

gone

Sample Output 3

xxxx

Solution in C (Clang 3.8.0) (judge verdict: Accepted)

#include <stdio.h>

int	main()
{
	char S[200];
	int i = 0;

	scanf("%s",S);

	while(S[i] != '\0')
	{
		if(S[i] >= 'a' && S[i] <= 'z')
			S[i] = 'x';
		i++;
	}
	
	printf("%s\n",S);
	return 0;
}