#include <stdio.h>
#include <limits.h>

/* WORD_BIT is not part of ISO 9899-2011 but of IEEE Std 1003.1 */

void print_bits(unsigned int val) {
   for (int i = 0; i < WORD_BIT; ++i) {
      int bit = (val >> (WORD_BIT - i - 1)) & 0x1;
      putchar('0' + bit);
   }
}

int main() {
   int val;
   while (scanf("%d", &val) == 1) {
      print_bits(val); putchar('\n');
   }
}