C++ :

#include<cstdio>
#include<cstring>
#include<cmath>
#include<iostream>
#include<algorithm>
using namespace std;

long long a,b;
long long x,y;
long long ex_gcd(long long a,long long b,long long &x,long long &y)
{
    if(b==0)
    {
        x=1;
        y=0;
        return a;
    }
    long long tmp,res;
    res=ex_gcd(b,a%b,x,y);
    tmp=x;
    x=y;
    y=tmp-(a/b)*y;
    return res;
}

long long  inv(long long  a,long long  b)
{
    long long  d,x,y;
    d = ex_gcd(a,b,x,y);
    return d == 1 ? (x+b)%b : -1;
}

int main()
{
    //freopen( "A.txt", "r", stdin );
   // freopen( "_A.txt", "w", stdout );
    while(cin>>a>>b)
    {
        long long ans=inv(a,b);
        if(ans==-1)
        {
            cout<<"sorry"<<endl;
        }
        else
        {
            cout<<ans<<" "<<(1-ans*a)/b<<endl;
        }
    }
    return 0;
}