USING: math.parser splitting ;
: a+b ( -- )
readln " " split1
[ string>number ] bi@ +
number>string print ;
VVNJTkc6IG1hdGgucGFyc2VyIHNwbGl0dGluZyA7CjogYStiICggLS0gKQogICAgcmVhZGxuICIgIiBzcGxpdDEKICAgIFsgc3RyaW5nPm51bWJlciBdIGJpQCArCiAgICBudW1iZXI+c3RyaW5nIHByaW50IDs=