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