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