public class MathOp
{
public static int gcd(int one, int two)
{
int ans = 0;
if(one < 0)
one = one * -1;
if(two < 0)
two = two * -1;
if(one == 0)
ans = 0;
if(two == 0)
ans = 0;
if(one > two){
two /= one;
while(((two % one) != 0))
two /= one;
ans = one;
};
if(two > one){
one /= two;
while(((one % two) != 0))
one /= two;
ans = two;
};
return ans;
};
};