Calculate Square of given number

#include<stdio.h>

int main()
{
    int n, sqr = 0;

    printf("ENTER THE NO.:= ");
    scanf("%d", &n);
    sqr = n * n;
    printf("\nSQUARE OF %d is %d .", n, sqr);
    
    return 0;
}

OUTPUT

ENTER THE NO.:= 6

SQUARE OF 6 is 36 .