#include <stdio.h>
#include <ctype.h>
void parse_shell_input(char *line) {
// Your logic here
int i=0, j=0, k=0;
char arr[5][10];
int count = 1;
while(line[i]!='\0'){
if(line[i]==' ' && line[i+1]==' '){
}
else if(line[i]==' '){
arr[j][k] = '\0';
count++;
k=0;
j++;
}
else{
arr[j][k] = line[i];
k++;
}
i++;
}
arr[j][k] = '\0';
for(int p=0;p<count;p++){
printf("%s\n",arr[p]);
}
}
int main() {
char line[101];
fgets(line, sizeof(line), stdin);
parse_shell_input(line);
return 0;
}