public String print(char poly) {
        Point couple = new Point();int count=0;
        String sol=new String();int n=0;
        if(poly=='A'){
            n = A.size();}
        else if(poly=='B'){
            n = B.size();}
        else if(poly=='C'){
            n = C.size();}
        else if(poly=='R'){
            n = R.size();}
        else
        {
            throw new RuntimeException ("You entered a wrong letter");
        }
        if(n==0)
        {
            String ans=new String();
            ans="(0,0)";
            return ans;
        }
        Point[] ans=new Point[n];
        if (poly == 'A') {
            for(int i=0;i<ans.length;i++){
                ans[i]=(Point)A.get(i);
            }
        }
        else if(poly=='B'){
            for(int i=0;i<ans.length;i++){
                ans[i]=(Point)B.get(i);
            }
        }
        else if(poly=='C'){
            for(int i=0;i<ans.length;i++){
                ans[i]=(Point)C.get(i);
            }
        }
        else if(poly=='R'){
            for(int i=0;i<ans.length;i++){
                ans[i]=(Point)R.get(i);
            }
        }
        for(int i=0;i<ans.length;i++){
            for(int j=i+1;j<ans.length;j++){
                if(ans[i].getY()<ans[j].getY()){
                    Point test=new Point();
                    test=ans[i];
                    ans[i]=ans[j];
                    ans[j]=test;
                }
            }
        }
        for(int i=0;i<ans.length;i++) {
            if(ans[i].x==0)
                continue;
            if(ans.length==1){
                if(ans[i].y==0){
                    sol+=ans[i].x;
                }else{
                    if(ans[i].x==1){
                        if(ans[i].y==1){
                            sol+="x";
                        }else{
                            sol+="x^";
                            sol+=ans[i].y;
                        }
                    }else{
                        if (ans[i].x == -1) sol += "-";
                        else {
                            sol += ans[i].x;
                            sol += "x";
                        }
                }
                return sol;
            }
            if(count==0){
                if(ans[i].y==0){
                    sol+=ans[i].x;
                }else{
                    if(ans[i].x==1){
                        if(ans[i].y==1){
                            sol+="x";
                        }else{
                            sol+="x^";
                            sol+=ans[i].y;
                        }
                    }else {
                        if (ans[i].y == 1) {
                            if (ans[i].x == -1) sol += "-";
                            else {
                                sol += ans[i].x;
                                sol += "x";
                            }
                        } else {
                            if (ans[i].x == -1) {
                                sol += "-";
                                sol += "x^";
                                sol += ans[i].y;
                            } else {
                                sol += ans[i].x;
                                sol += "x^";
                                sol += ans[i].y;
                            }
                        }
                    }
                }
            }
            else{
                if (ans[i].y == 0){
                    if (ans[i].x > 0){
                        sol+="+";
                        sol+=ans[i].x;
                    }
                    else{
                        sol+=ans[i].x;}
                }
                else {
                    if (ans[i].x > 0) {
                        sol+="+";
                        if(ans[i].x!=1)
                            sol+=ans[i].x;
                        if(ans[i].y==1)sol+="x";
                        else {sol+="x^";
                            sol+=ans[i].y;}
                    } else {
                        if(ans[i].x==-1)sol+="-";
                        else sol+=ans[i].x;
                        if(ans[i].y==1)sol+="x";
                        else {sol+="x^";
                            sol+=ans[i].y;}
                    }
                }
            }
            count++;

        }
        return sol;