const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;
void async function () {
// Write your code here
while(substr = await readline()){
let str=await readline()
let max=0
let matchstr=''
for(let i=0;i<=substr.length-1;i++){
if(substr.length!=1){
for(let j=i+1;j<=substr.length;j++){
matchstr=substr.slice(i,j)
max=str.includes(matchstr)?Math.max(max,matchstr.length):max
}
}else{
max=str.includes(substr)?Math.max(max,substr.length):max
}
}
console.log(max);
}
}()