t=int(input()) for i in range(t): a,b,c=input().split() a,b,c=int(a),int(b),int(c) flag=True for x in (1000,10000): if x%a==0 and (x+1)%b==0 and (x+2)%c==0: print(x) flag=False break if flag==True: print("Impossible")