//前端编程题第一题答案 process.stdin.resume(); process.stdin.setEncoding('ascii'); var input = ""; var input_array = ""; process.stdin.on('data', function (data) { input += data; }); process.stdin.on('end', function () { input_array = input.split("\n"); var nLine = 0; while(nLine < input_array.length){ var line = input_array[nLine++].trim(); if(line === ''){ continue; } var input_arrays = line.split(' '); var pa = input_arrays[0].split('').filter(function(x){ return x===input_arrays[1] }).join('') var pb = input_arrays[2].split('').filter(function(x){ return x===input_arrays[3] }).join('') if(pa.length<=0 && pb.length<=0){ console.log(0) }else{ console.log(parseInt(pa)+parseInt(pb)); } } });