#include <stdio.h>
#define MAXLINE 1000

int getlime(char line[], int maxline); /* tasty lime! */
void copy(char to[], char from[]);

int main() {
  int current_len, max_len = 0;
  char current_line[MAXLINE];
  char longest[MAXLINE];

  while ((current_len = getlime(current_line, MAXLINE)) > 0)
    if(current_len > max_len) {
      max_len = current_len;
      copy(longest, current_line);
    }
  if (max_len > 0) /* there was some line */
    printf("%s", longest);
  return 0;
}

int getlime(char s[], int lim) {
  int ch, i;

  for (i = 0; i < lim - 1 && (ch = getchar()) != EOF && ch != '\n'; ++i)
      s[i] = ch;
  if (ch == '\n') {
    s[i] = ch;
    ++i;
  }
  s[i] = '\0';
  return i;
}

void copy(char to[], char from[]) {
  for (int i = 0; (to[i] = from[i]) != '\0'; ++i)
    ;
}