#include <stdio.h>
int gcd(int x, int y);
int lcm(int x, int y);
int main()
{
int a,b;
scanf("%d%d",&a,&b);
printf("gcd:%d,lcm:%d\n", gcd(a,b),lcm(a,b));
return 0;
}
int gcd(int x, int y)
{
int r;
do
{
r=x%y;
x=y;
y=r;
}
while(r!=0);
return x;
}
int lcm(int x, int y)
{
return x*y/gcd(x,y);
}