#include <stdio.h>
main()
{
char binOut[17];
short int i, j; /* 16bit的整數,要用short int型 */
scanf("%d", &i);
for(j=15;j>=0;j--)
if(i&(1<<j))
binOut[15-j] = '1';
else
binOut[15-j] = '0';
}
binOut[16] = 0;
printf("DEC(%d)=BIN(%s)\n",i,binOut);