Help me in solving CLB041 problem

My issue

even tho my code is correct its saying wrong answer

My code

#include <stdio.h>
#include <string.h>

int main() {
    
	char txt[] = "NumeroTres";
	printf("The lenght of the word is: %d", strlen(txt));
	
	return 0;
}


Learning course: Learn C
Problem Link: CodeChef: Practical coding for everyone

#include <stdio.h>
#include <string.h>

int main() {
    
	char txt[] = "NumeroTres";
        int length = strlen(txt);
	printf("The length of the word is: %d\n", length);
	
	return 0;
}