Problem Description

 

Give you a number on base ten,you should output it on base two.(0 < n < 1000)

 

Input

For each case there is a postive number n on base ten, end of file.

 

Output

For each case output a number on base two.

 

Sample Input

1

2

3

 

Sample Output

1

10

11

 

分析：

十进制数转为二进制

类似链接：

注意点：

 

1 #include
       
         2 using namespace std; 3  4 int main() 5 { 6     int n; 7     int c[35]; 8     while(cin>>n) 9     {10         int i=1;11         while(n)12         {13             int v=n%2;14             n>>=1;15             c[i++]=v;16         }17     while(--i)18         cout<