S
Size: a a a
S
Р
S
S
S
A
readline.on('line', line => {
var count = line.split('').reduce((obj, val) => {
obj[val] = obj[val] ? ++obj[val] : 1;
return obj;
}, {});
for (const key in count) {
if (count[key] > 1) {
console.log(line);
break;
}
}
});
n
S
n
S
n
S
S
S
n
S
n
V
V
AV