#include <stdio.h>
#include <stdint.h>
#include <math.h>
#ifndef DEBUG
#define DEBUG(...) printf(__VA_ARGS__)
#endif
void dec_to_bin(uint32_t bin, int n);
int main() {
    uint32_t mask, bin1=0, bin2=0x01;
    int n;
    scanf("%d",&n);
    mask = pow(2,(n-1));
    int k = n;

    while(k >= 0){
        if(k==n) {
            dec_to_bin(bin1, n);
            bin1 = mask;
        if(k%2==0){
            dec_to_bin(bin1, n);
            bin1 >>= 1;
        }else if (k%2==1) {
            dec_to_bin(bin2, n);
            bin2 <<= 1;
        }
    }

  return 0;
}
void dec_to_bin(uint32_t bin, int n){
    int array[32];
    int k = n;
    while(k>0){
        array[i] = bin % 2;
        bin >>= 1;
        i++;
        k--;
    }
    for(int i = n-1; i >= 0; i--){
        printf("%d",array[i]);
    }
}