
    case "$str" in                                                                                                                                                                                                 
        "AC" )  AC_num=`expr $AC_num + 1`;;
        "WA" )  WA_num=`expr $WA_num + 1`;;
        "TLE" ) TLE_num=`expr $TLE_num + 1`;;
        "RE" )  RE_num=`expr $RE_num + 1`;;
    esac

done


echo "AC x $AC_num"
echo "WA x $WA_num"
echo "TLE x $TLE_num"
echo "RE x $RE_num"
