#39864: Use Bitwise operator NOT to solve the problem
#include <stdio.h>
int main()
{
int dec;
scanf("%d", &dec);
dec = ~dec;
for(int i = 0; i >= 0; i--) {
if((dec >> i) & 1) {
printf("1");
}
else {
printf("0");
}
}
return 0;
}