#include <bits/stdc++.h>
using namespace std;
int main(){
    string s;
    int mx=0,z=1,nx=0,a,na;
    bool fy=0;
    getline(cin,s);
    for(int i=0;i<s.size();i++){
        if(s[i]<'0'||s[i]>'9'){
            if(nx>mx)a=na+1,mx=nx,nx=0,z=1,fy=0;
        }else{
            if(fy)nx=nx*10+s[i]-'0';
            else nx=s[i]-'0',fy=1,na=i;
        }
    }
    cout<<a;
    return 0;
}
/**************************************************************
	Problem: 1113
	User: lijinkai
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/