#include <stdio.h>
#define MAXLINE 1000
int getLine(char line[], int maxline);
void copy(char to[], char from[]);
int main() {
int len;
int max;
char line[MAXLINE];
char longest[MAXLINE];
max = 0;
while ((len = getLine(line, MAXLINE)) > 0) {
if (len > max) {
max = len;
copy(longest, line);
}
}
if (max > 0) {
printf("%s", longest);
}
return 0;
}
int getLine(char s[], int lim) {
int c, i;
for (i = 0; i < lim - 1 && (c = getchar()) != EOF && c != '\n'; ++i) {
s[i] = c;
}
if (c == '\n') {
s[i] = c;
++i;
}
s[i] = '\0';
return i;
}
void copy(char to[], char from[]) {
int i = 0;
while ((to[i] = from[i]) != '\0') {
++i;
}
}