/* const / let / var */
let x = 1; //переменные
while(x <= 12){ //пока
console.log(x++)
}
console.log("----------------------------------------")
for(let i = 100; i >= 0; i-=1)
{
let d = 10
console.log(i);
}
let u = 3;
if(u < 0){
console.log("a")
}else if(u < 5){
console.log("B")
}else{
console.log("c")
}