#include <stdio.h>

char *read_word()
{
  char s[200];

  if (scanf("%s", s) != 1) return NULL;

  return s;

}
    
  
main(int argc, char **argv)
{
  char *strings[10];
  int i;

  for (i = 0; i < 10; i++) {
    strings[i] = read_word();
    if (strings[i] == NULL) exit(1);
  }

  for (i = 0; i < 10; i++) {
    printf("%d %s\n", i, strings[i]);
  }

}