#include <stdio.h>
#include <string.h>
int main(void)
{
char string[51] = {'\0'};
scanf("%50[^\n]s",string);
char *result = strtok(string," ");
do {
if(result)
printf("%s\n",result);
result=strtok(NULL," ");
} while(result!=NULL);
return 0;
}