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