#include<stdio.h>

int main(){
	int choice, num, num2, digit, res=0;
	printf("Enter a number :");
	scanf(" %d", &num);
	printf("Select a choice \n 1. Magic Number \n 2. Armstrong Number \n 3. Palindrome Number \n 4. Perfect Number\n");
	scanf(" %d", &choice);
	num2 = num;

	switch(choice){
		case 1:
			while(num>0){
				digit = num%100;
				res += digit*digit;
				num = num/100;
			}
			if(num2 == res)
				printf("Number is magical number");
			else
				printf("Number is not a magical number");

			break;
		case 2:
			while(num>0){
				digit = num%10;
				res += digit*digit*digit;
				num = num/10;
			}
			if(res == num2 )
				printf("Number is Armstrong");
			else
				printf("Number not Armstrong");
			break;
		case 3:
			while(num>0){
				digit = num%10;
				res = res*10 + digit;
				num = num/10;
			}
			if(res == num2)
				printf("Number is Palindrome");
			else
				printf("Number is not Palindrome");
			break;
		case 4:
			for(int i=1; i<=num/2; i++){
				if(num%i==0){
					res += i;
				}
			}
			if(res == num2)
				printf("Number is Perfect");
			else
				printf("Number is not Perfect");
			break;
		default:
			printf("Invalid Selection !");
	}
	return 0;
}