#include <math.h>
#include <stdio.h>

int main()
{
	int n1, n2;
	n1 = 1;
	n2 = 2;
	printf("%d + %d = %d\n", n1, n2, n1 + n2);
	int n3;
	n3 = 4;
	printf("Square root of %d is %f\n", n3, sqrt(n3));
	return 0;
}