a=input() b=a.partition("а")[2] c=b[::-1] d=c.partition("а")[2] e=d[::-1] f=a.partition("а")[0] print("a=",a) print("b=",b) print("c=",c) print("d=",d) print("e=",e) print("f=",f)

var a = prompt("Введите a");
var b = a.slice(a.indexOf("а"), a.length);
var c = b.split("").reverse().join("");
var d = c.slice(c.indexOf("а"), c.length);
var e = d.split("").reverse().join("");
var f = a.slice(0, a.indexOf("а"));
document.write("a=" + a + "<br>");
document.write("b=" + b + "<br>");
document.write("c=" + c + "<br>");
document.write("d=" + d + "<br>");
document.write("e=" + e + "<br>");
document.write("f=" + f + "<br>");