Shared code

#include<bits/stdc++.h>
#define ll long long
#define fio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
using namespace std;

int main(){
	string lks; cin>>lks; int count=1,ans=1;
	for(int i=0;i<lks.length()-1;i++){
		if(lks[i]==lks[i+1]) count++;
		else count=1;
		ans=max(ans,count);
	}
	cout<<ans<<"\n";
	return 0;
}