#include <iostream>
#include <sstream>
#include <string>
 
int main() {
  using namespace std;
  for (string line; getline(cin, line); ) {
     istringstream ss(line);
     string name;
     ss >> name; // assume spaces between all elements in the line
     if (name == "filesize") {
        string sep;
        int filesize = -1;
        ss >> sep >> filesize;
        if (sep == ":" && ss) {
          cout << filesize << endl;
          break;
        }
     }
  }
}

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

b3duZXJfbmFtZSAgICA6IGZpcnN0X2xhc3RfbmFtZQpmaWxlc2l6ZSAgICAgIDogMTAwMAppc19sZWdhbF9maWxlIDogeWVzCmRhdGUgICAgICAgICAgOiBzb21lRGF0ZQ==

owner_name    : first_last_name
filesize      : 1000
is_legal_file : yes
date          : someDate