#include <iostream>
#include<sstream>
using namespace std;

int main() {
    string s;
    while (getline(cin,s)) { // 注意 while 处理多个 case
        istringstream ss(s);
        string ends;
        int ans;
        while(ss>>ends)
        {ans=ends.size();
        }
        cout<<ans<<endl;

    }
}
// 64 位输出请用 printf("%lld")