#include<stdio.h>
#include<string.h>

int main ()
{
	int i,j,k,f,sum,t,n;
	char s[32];
	scanf("%d",&n);
	
	for(k=0;k<n;k++){
    f=0;
	while(f<32){
		scanf("%c",&s[f]);
		f++;
	}
	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;
}