CodeList_6_Kotlin.kt

fun main(args: Array<String>) {
    var isTriangle = true
    var OK = 'Y'
    do {
        print("Nhap a = ")
        var a = readLine()!!.toFloat()
        print("Nhap b = ")
        var b = readLine()!!.toFloat()
        print("Nhap c = ")
        var c = readLine()!!.toFloat()
        if (a <= 0 || b <= 0 || c <= 0)
            isTriangle = false
        if ((a + b <= c) || (a + c <= b) || (b + c <= a))
            isTriangle = false
        if (isTriangle)
            print("Day la tam giac")
        else
            print("Day khong phai la tam giac")
        isTriangle = true
        print("Ban muon tiep tuc khong?(Y/N)")
        OK = readLine()!!.first()
    }while(OK != 'N')
}