sixteen = new Array(
	"0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f");

sixteenbuf = new Array(8);

C16 = eval(C);
cnt = 0;
if (C16 < 16) sixteenbuf[0] = sixteen[C16];
else{
	while(1) {
		sixteenval = C16 % 16;
		C16 = Math.floor(C16/16);
		
		sixteenbuf[cnt] = sixteen[sixteenval];
		cnt++;
		
		if (C16 < 16){
			sixteenbuf[cnt] = sixteen[C16];
			break;
		}
	}
}

for (i=0; i<=cnt; i++) document.write(sixteenbuf[cnt-i]);