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