#include <iostream>
#include <string>
#include <iterator>
#include <sstream>
using namespace std;
int main() {
string sentence;
getline(cin, sentence);
stringstream ss(sentence);
int i = 0;
for (auto word = istream_iterator<string>(ss) ; word != istream_iterator<string>() ; word++) {
cout << ++i << " " << *word << endl;
}
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8c3RyaW5nPgojaW5jbHVkZSA8aXRlcmF0b3I+CiNpbmNsdWRlIDxzc3RyZWFtPgoKdXNpbmcgbmFtZXNwYWNlIHN0ZDsKCmludCBtYWluKCkgewoJc3RyaW5nIHNlbnRlbmNlOwogICAgZ2V0bGluZShjaW4sIHNlbnRlbmNlKTsKICAgIHN0cmluZ3N0cmVhbSBzcyhzZW50ZW5jZSk7CiAgICBpbnQgaSA9IDA7CiAgICBmb3IgKGF1dG8gd29yZCA9IGlzdHJlYW1faXRlcmF0b3I8c3RyaW5nPihzcykgOyB3b3JkICE9IGlzdHJlYW1faXRlcmF0b3I8c3RyaW5nPigpIDsgd29yZCsrKSB7CiAgICAJY291dCA8PCArK2kgPDwgIiAiIDw8ICp3b3JkIDw8IGVuZGw7CiAgICB9CglyZXR1cm4gMDsKfQ==