#include<stdio.h>
int main(){
	float x;
	scanf("%f",&x);
	int y = (int)x;
	int d = y;
	int count = 0;
	int z;
	int f = 0;
	if(x < 0){
	        f = -1;
		y = -y;
	}
	do{
		z = d % 2;
		count ++;
		d /= 2;
	}while(d != 0);
	d = y;
	int A[count];
	count = 0;
	do{
		z = d % 2;
		A[count] = z;
		count ++;
		d /= 2;
	}while(d != 0);
	float m = x - y;
	if(f == -1){
		y = -y;
		m = -m;
	}
	int j = 0;
	float e = m;
	int g;
	do{
		e = e * 2;
		j ++;
		g = (int)e;
		e = e - g;
	}while(e != 0.0 && j < 7);
	e = m;
	int B[j];
	j = 0;
	do{
		e = e * 2;
		g = (int)e;
		B[j] = g;
		j ++;
		e = e - g;
	}while(e != 0.0 && j < 7);
	if(f == -1 ){
		printf("-");
	}
	for(int i = count - 1;i >= 0 ;i--){
		printf("%d",A[i]);
	}
	printf(".");
	for(int i = 0;i < j;i ++){
		printf("%d",B[i]);
	}
	printf("\n");
	return 0;
}