A=[];for(W=new Date%3*5;L=readline();)A.push(L.split(T="\x09"));with(Math)for(J=3;J--;)for(Y=-1;L="",A[++Y];J||print(L.slice(1)))for(X=0;X<W;X++){try{if(/^=/(R=A[Y][X]))A[Y][X]=R=eval(R.slice(1).toLowerCase());eval("abcdefghij"[X]+(Y+1)+"="+R)}catch(E){}L+=T+(round(R*100)/100||R)}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).