/***

include[HTML_REMOVED]

using namespace std;
int exgcd(int a,int b,int &x,int &y)
{
if(!b)
{
x=1,y=0;
return a;
}
int d=exgcd(b,a%b,y,x);
y-=a/bx;
return d;
}
int main()
{
int x,y,a,b;
cin>>a>>b;
int d=exgcd(a,b,x,y);
printf(“%d * %d + %d * %d = %d \n”,a,x,b,y,d);
return 0;
}
/**