#include<bits/stdc++.h>
using namespace std;
inline int read()
{
	int x=0,f=1;
	char ch=getchar();
	while((ch<'0'||ch>'9')&&ch!='-') 
		ch=getchar();
	if(ch=='-') 
		f=-1,ch=getchar();
	while(ch>='0'&&ch<='9')
	{
		x=x*10+ch-'0';
		ch=getchar();
	}
	return x*f;
}
int main()
{
    int n=read();
    printf("%d",n);
	return 0;
}

