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