杭电2669拓展欧几里得

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.StreamTokenizer;
/*
 * 拓展欧几里得
 */
public class hdu2669 {
 static long x=0;static long y=0;
  public static void main(String[] args) throws IOException {
    // TODO 自动生成的方法存根
    StreamTokenizer in=new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
    PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
    while(in.nextToken()!=StreamTokenizer.TT_EOF)
    {
      long a=(long)in.nval;
      in.nextToken();
      long b=(long)in.nval;
      long q=tgcd(a,b);
      if(1%q!=0) {out.println("sorry");}//gcd要和要求相等（这里等于1）
      else {
        while(x<=0){//x*a y*b=1 要求x>0这样并且要求x最小，那么这样操作就相当于 ab-ab操作。刚开始还没明白
          x =b;
          y-=a;
        }
        out.println(x " " y);}//
      out.flush();
    }   
  }
  static long tgcd(long a,long b)
  {
    if(b==0) {x=1;y=0;return a;}
    long ans=tgcd(b,a%b);
    long team=x;
    x=y;
    y=team-a/b*y;
    return ans;
  }
}