#include <iostream>
#include <vector>
using namespace std;
class Solution {
private:
public:
};
int main()
{
ios_base::sync_with_stdio(false);
//cin.tie(NULL);
int t,ans;
string s;
vector<char> v;
cin >> t;
while (t--) {
cin >> s;
ans = 0;
for (int i=0;i<s.size();i++) {
if (s[i]=='<') {
v.push_back('<');
}
else {
if (v.empty()) {
break;
}
else {
v.pop_back();
}
if (v.empty()) {
ans = i+1;
}
}
}
cout << ans << endl;
}
return 0;
}
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NwombHQ7Jmx0OyZndDsmZ3Q7CiZndDsmbHQ7CiZsdDsmZ3Q7CiZsdDsmZ3Q7Jmx0OyZndDsmbHQ7Jmd0OwombHQ7Jmd0OyZndDsmbHQ7Jmd0OyZsdDsmZ3Q7Jmx0OyZndDsKJmx0OyZsdDsmbHQ7Jmd0OyZndDsmZ3Q7Jmx0OyZndDsmbHQ7Jmd0OwomZ3Q7Jmx0OyZndDsmbHQ7Jmd0Ow==
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