#include <stdio.h>
#include <stdlib.h>

int main(void)
{
        int n,i,j,a[100];
        i=0;
        printf("Ingresa el numero: ");
        scanf("%d", &n);
        while(n != 0) {
                a[i] = n%2;
                n=n/2;
                i++;
                }
                for(j = i-1; j>=0; j--){
                      printf("%d",a[j]);
}
system("pause");
}