homework/js_homework_01/index.js

var a =Number(prompt( '1(woman) or 2(man)'));
var v =Number(prompt( 'your weight')) ;
var r =Number(prompt( 'your height'));
var l = Number(prompt( 'your age'));
var passive = Number(prompt('passive lifestyle; yes-1 ,no-2 ' ));
var tren = Number(prompt('workouts three times a week; yes-1, no-2 '));
var fef = Number(prompt('workouts five times a week; yes-1, no-2 '));
var int = Number(prompt('daily works; yes-1; no-2'));
var k=0;
if(passive==1){
k=1.2
} else if( tren ==1){
    k=1.375
} else if( fef==1){
    k=1.5
} else if(int==1){
    k=1.6375
};
if (a==1){
   alert((655.1+(9.563*v)+(1.85*r)-(4.676*l))*k )
} else if(a==2){
    alert((66.5+(13.75*v)+(5.003*r)-(6.775*l))*k)
};