#include <stdio.h>
#include <stdlib.h>
#include <string.h>


void parse(char * equacao, int type, int index){
    //int i;
    char * i;
    char aux[20];
    char cToStr[2];
    cToStr[1] = '\0';
    char var[20];
    char operation[20];
    char res[20];
    memset(var, 0, sizeof(var));
    memset(aux, 0, sizeof(aux));
    memset(operation, 0, sizeof(aux));
    memset(res, 0, sizeof(aux));
    int num;

    printf("equacao parse: %s\n",equacao);
    int flag=0;
    int flag2=0;
    printf("dentro\n\n");
    //while(strcmp(equacao[i],"\n"

    /*for(i=equacao; *i;i++){
        printf("i: %c\n",*i);

    }*/

    for(i=equacao; *i; i++){
        printf("entrou for\n");
        if(*i=='x'){

            flag=1;
        }else{
            printf("inside i:%c\n",*i);
            if(flag==1){
                //posso guardar aux
                //vou identificar o x

                if(*i=='-'||*i=='+'){
                    printf("entrou if\n");
                    printf("aux: %s \t-> X%s\n",aux,var);
                    memset(var, 0, sizeof(var));
                    memset(aux, 0, sizeof(aux));
                    flag=0;
                    cToStr[0] = *i;
                    strcat(aux,cToStr);
                    memset(cToStr, 0, sizeof(cToStr));
                    cToStr[1] = '\0';
                }else{

                    if(*i == '<'||*i=='>'||*i=='='||flag2==1){
                        flag2=1;
                        if(operation[0] == '=' || operation[1]=='='){

                            cToStr[0] = *i;
                            strcat(res,cToStr);
                            memset(cToStr, 0, sizeof(cToStr));
                            cToStr[1] = '\0';

                        }else{
                            cToStr[0] = *i;
                            strcat(operation,cToStr);
                            memset(cToStr, 0, sizeof(cToStr));
                            cToStr[1] = '\0';
                        }



                    }else{
                        cToStr[0] = *i;
                        strcat(var,cToStr);
                        memset(cToStr, 0, sizeof(cToStr));
                        cToStr[1] = '\0';
                    }
                }

            }else{

                cToStr[0] = *i;
                strcat(aux,cToStr);
                memset(cToStr, 0, sizeof(cToStr));
                cToStr[1] = '\0';
            }

        }




    } if(type == 1){

        printf("aux: %s \t-> X%s \t -> %s \t ->%s\n",aux,var,operation, res);

    }
    else{

        printf("aux: %s \t-> X%s\n",aux,var);
    }

}

int main()
{
    char word[50];
    char equacao[150];
    char st[5];
    char statement[150];
    int flag=0;
    int i=0;

    while(scanf("%s",&word)!= EOF){

        if(strcmp(word,"maximize")==0){
            flag=1;
        }

        scanf("%s",&equacao);
        printf("word %s\n",word);
        printf("equacao %s\n", equacao);
        parse(equacao, 0,i);
        i++;
        scanf("%s", &st);
        if(strcmp(st,"st")==0){
            printf("\n------------STS----------\n");
            scanf("%s",&statement);

            while(strcmp(statement,"BINARY")!=0){

                printf("->Statement: %s\n", statement);
                parse(statement,1,i);
                i++;


                scanf("%s",&statement);
            }
        }


    }
}