#include <stdio.h>

int isPerfect(int x) {
    int i, sum = 0;
    for (i = 1; i < x; i++) {
        if (x % i == 0)
            sum += i;
    }
    return sum == x;
}

int main() {
    int x;
    printf("Enter x: ");
    scanf("%d", &x);
    if (isPerfect(x))
        printf("%d is a Perfect Number: True\n", x);
    else
        printf("%d is a Perfect Number: False\n", x);
    return 0;
}