/**
 * Created by dentia on 7/28/2014.
 */
function Solve (input) {
    var inp = [];
    inp = input;

    var longest = 0;
    for (var i = 0; i < inp.length; i++) {
       if(inp[i].length>longest) longest = inp[i].length;

    }


    console.log(longest);
    var padding = '';

    for (var i = 0; i < longest; i++) {
        padding+='0';
    }

    for (var i = 0; i < inp.length; i++) {
        inp[i] = inp[i]+padding.substring(0, longest-inp[i].length);
        console.log(inp[i]);
    }


    var texts = [[]];

    for (var i = 0; i < inp.length; i++) {
        texts[i] = inp[i].split('');
        console.log(texts[i].join());
    }


    var indexes = [[]];

    for (var i = 0; i < inp.length-1; i++) {
        for (var j = 1; j < longest-1; j++) {
            var check = texts[i][j];
            if(texts[i+1][j-1]===texts[i][j]&&texts[i+1][j]===texts[i][j]&texts[i+1][j+1]===texts[i][j]&&texts[i][j]!=='0'){
                indexes.push([i,j]);
                indexes.push([i+1,j-1]);
                indexes.push([i+1,j]);
                indexes.push([i+1,j+1]);

            }
        }
    }
    for (var i = 0; i < texts.length; i++) {
        for (var j = 0; j < longest; j++) {
            console.log(texts[i][j]);

        }
    }
    for (var iterator = 0; iterator < indexes.length; iterator++) {
        var i = parseInt(indexes[iterator][0]);
        var j = parseInt(indexes[iterator][1]);
        if(i && j) texts[i][j] = '*';
    }
    var result = '';

    for (var i = 0; i < texts.length; i++) {
        for (var j = 0; j < longest; j++) {
            result+=texts[i][j];
        }
    }

    console.log(result);
}