#include "stdio.h"
#include "stdlib.h"
#include "string.h"

notLatinClear(char str[]){
    int i = 0;
    int n = 0;
    char * str2;
    str2 = malloc(strlen(str) * sizeof(char));
    if (!str2)
        return 1;
    while (str[i] != '\0'){
        str2[i] = 0;
        if ((str[i] >= 'a') && (str[i] <= 'z')){
            str2[n] = str[i];
            n++;
        }
        else{
            if ((str[i] >= 'A') && (str[i] <= 'Z')){
                str2[n] = str[i] + 32;
                n++;
            }
        }
        i++;
    }
    return str2;
}