#24166: ___C
hwsh31038@gmail.com
(Eric Tsai)
#include<stdio.h>
void show_binary(int k) {
int ans[100];
int index = 0;
int i = 0;
while (k != 0) {
ans[i] = (k % 2);
k /= 2;
index++;
i++;
}
for (int j = index-1; j >=0; j--) printf("%d", ans[j]);
}
int main(void)
{
int num;
while (scanf("%d", &num) != EOF) {
show_binary(num);
printf("\n");
}
return 0;
}