#include <stdio.h>
int main (){
int result=0,k=1,i,temp;
scanf("%d",&temp);
while(temp){
i = temp%2;
result = k * i + result;
k = k*10;
temp = temp/2;
}
return 0;
}
#include <stdio.h>
int main (){
int result=0,k=1,i,temp;
scanf("%d",&temp);
while(temp){
i = temp%2;
result = k * i + result;
k = k*10;
temp = temp/2;
}
return 0;
}