for(int i = 1 ; i<=40000 ; i++){
           for(int x = 1 ; x<=40000 ; x++){
               if(Math.abs((x*a)-(i*b)) == t ){
                   va2 = i;
                   vb2 = x;
                   break;
               }
           }
           if(va2 != 0 && vb2!=0){

                   break;
           }
       }
      if(((va1*a)+(vb1*b))<((va2*a)+(vb2*b))){
           vaf = va1;
           vbf = vb1;
       }else{
           vaf = va2;
           vbf = vb2;
       }
      if(a>b && (b*vbf - a ==t)){
          System.out.println("Tempo total de preparo: " + (a+t));
      }
      else if(b>a && (a*vaf - b ==t)){
          System.out.println("Tempo total de preparo: " + (b+t));
      }
      else if(a>b){
          System.out.println("Tempo total de preparo: " + (a*vaf));
      }
      else if(b>a){
          System.out.println("Tempo total de preparo: " + (b*vbf));
      }
    }

}