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);
}
}
