Number guess 1000 by push_back

for(s=print;n=readline();s())for(g=p=500;s(g^=0,'>=<'[t=g<n?2:g>n?0:1]),--t;g+=.5+p*t)p/=2;

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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