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