#include <bits/stdc++.h>
#include "laugh.h"
using namespace std;
int longest_laugh (string s) {
// cout << s << endl;
int n = s.size(), ans = 0;
for (int i = 0; i < n;) {
// cout << i << endl;
if (s[i] == 'a') {
int j = i, k = 0;
while (j < n) {
k ^= 1;
if (k and s[j] != 'a') {
break;
}
if (!k and s[j] != 'h') {
break;
}
++j;
}
ans = max(ans, j - i);
i = j;
} else if (s[i] == 'h') {
int j = i, k = 0;
while (j < n) {
k ^= 1;
if (k and s[j] != 'h') {
break;
}
if (!k and s[j] != 'a') {
break;
}
++j;
}
ans = max(ans, j - i);
i = j;
} else {
++i;
}
}
return ans;
}
