#include <bits/stdc++.h>
using namespace std;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
float a;
cin>>a;
cout<<ceil(a);
return 0;
}
I2luY2x1ZGUgPGJpdHMvc3RkYysrLmg+CnVzaW5nIG5hbWVzcGFjZSBzdGQ7CgppbnQgbWFpbigpIAp7CiAgICBpb3NfYmFzZTo6c3luY193aXRoX3N0ZGlvKGZhbHNlKTsKICAgIGNpbi50aWUoTlVMTCk7CglmbG9hdCBhOwoJY2luPj5hOwoJY291dDw8Y2VpbChhKTsKICAgcmV0dXJuIDA7Cn0=