#include <stdio.h>
#include <math.h>
 
int main() {
    int number;
    double squareRoot;
 
    // Input from user
    printf("Enter a number: ");
    scanf("%d", &number);
 
    // Calculate the square root
    squareRoot = sqrt(number);
 
    // Check if the square of the square root equals the original number
    if (squareRoot * squareRoot == number) {
        printf("%d is a perfect square.\n", number);
    } else {
        printf("%d is not a perfect square.\n", number);
    }
 
    return 0;
}

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