let input = [
    "ABC?-!omz209aa"
];

let print = this.print || console.log;
let gets = this.gets || ((arr, index) => () => arr[index++])(input, 0);

let key = gets();
let lower = 0;
let upper = 0;
let digits = 0;
let special = 0;
for(let i = 0; i < key.length  ; i++)
{
    let isSpecial = (key[i] === '!' || key[i] === '@' ||key[i] === '#'||
    key[i] === '$' || key[i] === '%' || key[i] === '^' ||
    key[i] === '&' || key[i] === '*' || key[i] === '(' ||
    key[i] === ')' || key[i] === '_' || key[i] === '+' ||
    key[i] === '-' || key[i] === '=' || key[i] === '>' ||
    key[i] === '<' || key[i] === '?' )

    if(key[i] >= 'A' && key[i] <= 'Z') upper++;
    else if(key[i] >= 'a' && key[i] <= 'z') lower++;
    else if(key[i] >= '0' && key[i] <= '9') digits++;
    else if (isSpecial)
        special++;
}
let missingChars = 0;
if(lower < 3) missingChars += (3 - lower);
if(upper < 3) missingChars += (3 - upper);
if(digits < 3) missingChars += (3 - digits);
if(special < 3) missingChars += (3 - special);
if(key.length < 15)
print(15 - key.length);
else
print(missingChars);