declare var require: any;

let lines: string[] = require("fs").readFileSync("/dev/stdin", "utf8").split("\n");

let buf: string[] = lines[0].split(" ");
let height: number = parseInt(buf[0]);
let width: number = parseInt(buf[1]);
let depth: number = parseInt(buf[2]);

let X: number = (height * width + width * depth + depth * height) * 2;
let Y: number = height * width * depth;

if(X > Y){
    console.log(2);
} else {
    console.log(3);
}