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

int main(int argc, char* argv[]) {

    int num, r, i = 0;
    int rests[256];

    char buffer[256];

    printf("Inserisci un fottuto numero: ");

    scanf("%s", buffer);
    num = atoi(buffer);

    for(; num != 0; i++) {
        r = num%2;
        num /= 2;
        rests[i] = r;
    }

    for(i-=1; i >= 0; i--)
        printf("%d", rests[i]);

    printf("\n");
}