package main

func f(i int) int {
    var j int
    if k := 666; i == 0 {
        j = 888
    } else if i == 1 {
        j = 1
    } else if i == 2 {
        j = k
    } else {
        j = k + 4
    } 
    return j
}

func main() {
    assert(f(0) == 888)
    assert(f(1) == 1)
    assert(f(2) == 666)
    assert(f(3) == 670)
}