#include <stdio.h>
#include <ctype.h>
void parse_shell_input(char *line) {
int i = 0;
int j =0;
char tokens[10][20];
while (*line) {
if (*line == ' ') {
tokens[i][j] = '\0';
i++;
j = 0;
while (*line == ' ')
line++;
}
else {
tokens[i][j] = *line;
j++;
line++;
}
}
tokens[i][j] = '\0';
i++;
for(int k =0; k < i;k++){
printf("%s\n",tokens[k]);
}
}
int main() {
char line[101];
fgets(line, sizeof(line), stdin);
parse_shell_input(line);
return 0;
}