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