#include <stdio.h> int main() { long n,m,g,h,x; long yinshu,beishu; scanf("%ld %ld",&n,&m); g=m; h=n; if(n>=m) { while(n%m !=0) {x=n; n=m; m=x%m; } yinshu =m; beishu = h*g/m; printf("%ld",yinshu+beishu); } if(m>n) { while(m%n !=0) { x=m; m =n; n =x%n; } yinshu=n; beishu =h*g/n; printf("%ld",yinshu+beishu); } }