#include <bits/stdc++.h>
#define MOD 998244353
#define mod 1000000007
#define ll long long
#define ull unsigned long long
#define ui unsigned int
#define range(i,a,b) for (int i = a; i <= b; i++)
#define round(i,a,b) for (int i = a; i < b; i++)
#define rrange(i,a,b) for (int i = a; i >= b; i--)
#define rround(i,a,b) for (int i = a; i > b; i--)
using namespace std;
int times[27] = {0,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,4,1,2,3,1,2,3,4};
int i,sum = 0;
string s;
int main()
{
	getline(cin,s);
	round(i,0,s.length())
	{
	    if (s[i] == ' ') sum++;
	    else sum += times[i];
    }
    cout << sum << endl;
	return 0;
}