#include<bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin>>n;
int i=1;
while(n>0)
{
if(i*i>n)
{
cout<<i;break;
}
i++;
}
}
using namespace std;
int main()
{
int n;
cin>>n;
int i=1;
while(n>0)
{
if(i*i>n)
{
cout<<i;break;
}
i++;
}
}
#include<iostream>
using namespace std;
int main(){
string maydonda[11]={
"Neuer", "Upamecano", "Sule","Kimmich", "Goretzka",
"Lewandowski", "Sane", "Coman", "Davies", "Hernandes",
"Muller"};
string zaxirada[9]={"Fruchtl", "Richards", "Pavard", "Gnabry",
"Choupo-Moting", "Nianzou", "Tolisso", "Musiala", "Stanisic"};
cout<<"\nMaydonda:\n";
for(int i=0;i<11;i++)
cout<<i+1<<". "<<maydonda[i]<<endl;
cout<<"\nZaxirada:\n";
for(int i=0;i<9;i++)
cout<<i+1<<". "<<zaxirada[i]<<endl;
cout<<"\nBa'zi futbolchilar almashtirildi:\n";
string almashish[11];
for(int i=0;i<9;i++)
almashish[i+2]=zaxirada[i];
for(int i=0;i<2;i++)
almashish[i]=maydonda[i];
for(int i=0;i<11;i++)
cout<<i+1<<". "<<maydonda[i]<<"\t\t\t"<<i+1<<". "<<almashish[i]<<endl;
return 0;
}