t=int(input())
for q in range(t):
l=input().split()#input
l[0]=int(l[0])
l[1]=int(l[1])
l[2]=int(l[2])
l.sort()#sort
ans=l[0]+l[1]
if l[2]>=2*(l[0]+l[1]):#case 1
print(ans)
else:#case 2
ans=(l[0]+l[1]+l[2])//3
print(ans)
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