text: #include <stdio.h>
  #define il inline
  using namespace std;
  
  il char gc()
  {
      static char now[1<<20],*S,*T;
      if (T==S)
      {
          T=(S=now)+fread(now,1,1<<20,stdin);
          if (T==S) return EOF;
      }
      return *S++;
  }//getchar
   
  il int read()
  {
      int res=0,sign=1;
      char c;
      while ((c=gc())<'0'||c>'9') if (c=='-') sign=-1;
      res=(c^48);
      while ((c=gc())>='0'&&c<='9') res=(res<<3)+(res<<1)+(c^48);
      return res*sign;
  }//read a signed interger
  
  int main()
  {
  	int n;
  	n=read(),printf("%d",n);//example 
  	
  	return 0;
  }
  