import java.util.Scanner;

public class inter {

 

public static void main(String[] args) {

int n;

String result = "";

 

Scanner scanner = new Scanner(System.in);

System.out.print("정수: ");

n = scanner.nextInt();

do{

System.out.println("허용범위를 벗어나는 정수값을 입력했습니다!");

System.out.print("정수: ");

n = scanner.nextInt();

}while(n >= 100 || n < 0);

for(int i = n; i >0; i/=2) {

result = String.valueOf(i%2) + result;

}

System.out.print(n+": "+result);

 

}

 

}