#include<bits/cstd++.h>
using namespace std;
namespace IOfast{
#define fast_int(T)\
	istream& operator >>(istream& in,T& x){\
		x=0;	register int f=1;	register char ch=getchar();\
		while(ch<'0'||ch>'9')	if(ch=='-')	f=-1,ch=getchar();\
		while(ch>='0'&&ch<='9')	x=(x<<1)+(x<<3)+(ch^48),ch=getchar();\
		x*=f;	return in;}\
	ostream& operator <<(ostream& out,T x){\
		register int s[50],top=-1;\
		if(x<0)	putchar('-'),x=-x;\
		while(x){s[++top]=x%10;x/=10;}\
		if(top==-1){putchar('0');return out;}\
		while(top>-1){putchar(s[top--]^48);}\
		return out;}
	fast_int(short) fast_int(signed) fast_int(long long) fast_int(__int128)
	fast_int(unsigned short) fast_int(unsigned int) fast_int(unsigned long long)
	istream& operator >>(istream& in,string& x){
		char ch=getchar();
		while(ch!=' '&&ch!='\n')	x+=ch,ch=getchar();
		return in;}
	ostream& operator <<(ostream& out,string x){
		register int l=x.size(),r=0;
		while(r<l)	cout<<x[r++];
		return out;}
	istream& operator >>(istream& in,char& x){x=getchar();return in;}
	ostream& operator <<(ostream& out,char x){putchar(x);return out;}
}
using namespace IOfast;
int main(){
	int n;
	cin>>n;
	cout<<n;
	return 0;
}