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