#include<bits/stdc++.h>

#define ll long long
#define db double
#define lb lower_bound
#define up upper_bound
#define pb push_back
#define eb emplace_back
#define il inline
using namespace std;

const int MAXN = 1e5+10;

inline long long read(){
	ll res=0,f=1; char c = getchar();
	while('0' > c || c > '9'){ if(c=='-')f=-1; c=getchar(); }
	while('0' <= c && c <= '9'){ res = (res<<1)+(res<<3)+(c-48); c=getchar(); }
	return res*f;
} 

inline void write(long long x){
	if(x < 0) putchar('-'),x=-x;
	if(0 <= x && x <= 9) putchar(x+48);
	else write(x/10),putchar(x%10+48);
	return ;
}

ll n;

int main(){
	n = read();
	write(n);
	return 0;
}// NOIP2024 Rp++

