> #include<stdio.h>
> #include <stdio.h>
> void main (){
> 	int n,i,j;
> 	long a[5];
> 	scanf ("%d",&n);
> 	for (j=0;j<=3;j++)
> 		scanf ("%ld",&a[j]);
> 	while (i<=n){
> 		if ((a[2]%a[1]==0)&&(a[2]*a[2]==a[1]*a[3])) a[4]=a[3]*a[1]/a[0];
> 		if (a[2]-a[1]==a[1]-a[0]) a[4]=a[3]+a[2]-a[1];
> 		if (!(((a[2]%a[1]==0)&&(a[2]*a[2]==a[1]*a[3]))||(a[2]-a[1]==a[1]-a[0]))) break;
> 		printf ("%ld %ld %ld %ld %ld\n",a[0],a[1],a[2],a[3],a[4]);
> 		i++;
> 	    for (j=0;j<=3;j++)
> 		    scanf ("%ld",&a[j]);
> 	}
> }
>