> #include<stdio.h>
> #include<string.h>
> 
> int main ()
> {
> 	int i,j,k,sum,t,n;
> 	char s[32];
> 	scanf("%d",&n);
> 	for(k=0;k<n;k++){
>     getchar();
> 	gets(s);
> 	for(i=0;i<4;i++){
> 	t=128;sum=0;
> 	for(j=i*8;j<(i+1)*8;j++)
> 	{
> 	
> 		if(s[j]=='1')  sum+=t;
> 			t/=2;
> 	}
> 	if(i==3) printf("%d\n",sum);
> 	else printf("%d.",sum);
> 	
> 	}
> 	}
> return 0;
> }