import java.util.*;enum N{N;System Z;int a,b;{for(Scanner S=new Scanner(Z.in);(a=S.nextInt())>0;Z.out.printf(a+" %c %d%n",a>b?62:a<b?60:61,b))b=S.nextInt();}}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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