#include <stdio.h>
#include <ctype.h>
void parse_shell_input(char *line) {
// Your logic here
int i = 0;
int flag = 0;
while (line[i] != '\0') {
if (line[i] == ' ') {
if (flag) {
printf("\n");
flag = 0;
}
}
else {
printf("%c", line[i]);
flag = 1;
}
i++;
}
}
int main() {
char line[101];
fgets(line, sizeof(line), stdin);
parse_shell_input(line);
return 0;
}