//implementation of gcd (greatest common divisor) //author: Michal Pilipczuk //XIV Secondary School, Warsaw, Poland program gcd; uses bignumber; var hand_in:text; a,b,w:string; begin initialize; assign(hand_in,'/home/k03_a/michaj/.homepage/gcd.in'); reset(hand_in); readln(hand_in,a); readln(hand_in,b); close(hand_in); if not((sprawdz(a)) and (sprawdz(b))) then writeln('WRONG INPUT') else begin a:=zmienw2(a,10); b:=zmienw2(b,10); w:=nwduj(a,b); writeln(zmien(w,10)); end; end.