59A

59A

Program

#include <bits/stdc++.h>
 
using namespace std;
 
int main()
{
    ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
    int upper = 0;
    string s;
    cin >> s;
    for (auto l : s) if (isupper(l)) upper++;
    for (auto l : s) cout << ((upper > (s.size()-upper))?(char)toupper(l):(char)tolower(l));
    cout << '\n';
    return 0;
}

s=input();upperCount=sum(1 for x in s if x.isupper());print(s.upper() if upperCount > len(s)-upperCount else s.lower())

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