($z,$n)=($_=pop)=~/(.+)\/(.+)/;$s='==';for(;;){$m=int($n/$z+1);$_
.=" $s 1/".($z==1?$n:$m);$z<=1&&last;($z,$n)=($z*$m-$n,$m*$n);($x
,$y)=($z,$n);($x,$y)=($y,$x%$y)while$y;$z/=$x;$n/=$x;$s='+'}print