UVa 11636 - Hello World

	/**
	* Author : Md.Mehadi Hasan Menon.
	* Problem : 11636 - Hellow World
	* Status : Accepted.
	* Date : 09.10.2014.
	**/
	#include <stdio.h>
	int main()
	{
	int n, nCopy, tCase, l;
	tCase = 1;
	while(scanf("%d", &n) == 1)
	{
	if(n < 0) break;
	l = 1;
	nCopy = 0;
	while(l < n)
	{
	l = l + l;
	nCopy++;
	}
	printf("Case %d: %d\n", tCase++, nCopy);
	}
	return 0;
	}

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