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