C :

#include<stdio.h>

int main(){
  int a;
  scanf("%d",&a);
  printf("%d",a+1);
  return 0;
}

C++ :

#include<stdio.h>

int main()
{
	int a,b;
	scanf("%d",&a);
	b=a+1;
	printf("%d\n",b);
	return 0;
}

Pascal :

var a:longint;
begin
  readln(a);
  writeln(a+1);
end.