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