#include <bits/stdc++.h>
using namespace std;
#define fast_io ios::sync_with_stdio(false); cin.tie(NULL);
#define int long long
void solve() {
string s;
cin >> s;
int n = s.size();
int L = -1;
for (int i = 0; i < n; i++) {
if (s[i] == '>') {
L = i;
break;
}
}
int K = -1;
for (int i = 0; i < n; i++) {
if (s[i] == '<') K = i;
}
int R = (K == -1 ? 0 : (n - 1 - K));
cout << max(L, R) << "\n";
}
int32_t main() {
fast_io
int t;
cin >> t;
while (t--) solve();
return 0;
}
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