#include <iostream>
using namespace std;
int main() {
// your code goes here
string s;
s="wt44w5yw4t";
int n=s.find('d');
cout<<n;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCglzdHJpbmcgczsKCXM9Ind0NDR3NXl3NHQiOwoJaW50IG49cy5maW5kKCdkJyk7Cgljb3V0PDxuOwoJcmV0dXJuIDA7CgkKfQ==