let arr = readline().split('')
let str = ''
arr.forEach(el => {
if (str.indexOf(el) === -1) {
str += el
}
})
console.log(str.length)
let arr = readline().split('')
let str = ''
arr.forEach(el => {
if (str.indexOf(el) === -1) {
str += el
}
})
console.log(str.length)