#include <stdio.h>
#include <ctype.h>
void parse_shell_input(char *line) {
char store[100];
int i = 0;
int countspace = 0;
while (line[i] != '\0'){
if (line[i]!= ' ') {
printf ("%c", line[i]);
countspace = 0;
}
else {
countspace++;
if (countspace<2){
printf ("\n");
}
}
i++;
}
}
int main() {
char line[101];
fgets(line, sizeof(line), stdin);
parse_shell_input(line);
return 0;
}