#include<stdio.h>
int main(){
  int M;
  printf("enter an integer\n");
  if(1<=M && M<=100){
    printf("Welcome");
  }
  else if(M==1){
    printf("the name of invited list\n");
  }
  else if(1<=M && M<=1000){
    printf("Welcome to the program\n");
  }
  else if(M==0){
    printf("not in the list\n");
  }
  else{
	  printf("already entered");
  }
}