#include <stdio.h>
void bits(unsigned int x)
{
    unsigned int len = sizeof(unsigned int) * 8;
    unsigned int i;
    unsigned int bit;
    for (i = 0; i<len; i++)
    {
        bit = x >> (i) & 1;
        printf("%d", bit);
    }
    printf("\n");
}
int main(void)
{
    unsigned int l;
    scanf("%ud", &l);
    bits(l);
    return 0;
}