#include <stdio.h>

int main(void) {
    int value;
    if (scanf("%d", &value) != 1 || value < 0 || value > 255) {
        puts("Invalid input.");
        return 1;
    }
    printf("Binary: ");
    for (int bit = 7; bit >= 0; --bit)
        printf("%d", (value >> bit) & 1);
    putchar('\n');
    return 0;
}