#include <stdio.h>
 
int main(void) {
  char word[] = "Legovogel";
  int length;
  int i, j;
 
  for (length = 0; word[length]; ++length);
 
  for (i = 0; j = length - i - 1, i < j; ++i)
    printf("%c =?= %c\n", word[i], word[j]);
 
  return 0;
}