#include <stdio.h>
#include <string.h>

int main() {
  char s[9];
  int n[5]={123, 999, 114, 514, 99}, i=0;
  
  printf("%03d\n", 0);

  while (scanf("%s", s), s[0]!='u') {
    printf("%03d\n", n[i++]);
  }
  return 0;
}