出现“未能完成操作”提示框且无法编译

Dawn1027

求各位大神帮忙看看这是出了问题。。。感谢感谢
点击“启动”会报错
点击“编译”会出现图片所示

代码也放上来了（初学菜鸡路过）

[Fortran] 纯文本查看 复制代码

program ex0524
    implicit none
    integer age
    real pay,tax
    write(*,*)"Your age?"
    read(*,"(I3)")age
    write(*,*)"Pay?"
    read(*,*）pay

    select case(age)
    case(0:49)
        if(pay>=5000)then
            tax=pay*0.15
        else if(pay>=1000)then
            tax=pay*0.1
        else if(pay>=0)then
            tax=pay*0.03
        else
            write(*,*)"WRONG PAY!!!"
            stop
        end if
    case(50:)
        if(pay>=5000)then
            tax=pay*0.1
        else if(pay>=1000)then
            tax=pay*0.07
        else if(pay>=0)then
            tax=pay*0.05
        else
            write(*,*)"WRONG PAY!!!"
            stop
        end if
    case default
        write(*,*)"WRONG AGE!!!"
        stop
    end case

    write(*,*)"Your tax is",tax
    read(*,*)
    end