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