#include <stdio.h>

int main(void) {
	float a,b,wa,sa;
	a=35.2;
	b=85.4;
	wa=a*a+b*b;
	sa=a*a-b*b;
	printf("a*a+b*b=%7.2f\n",wa);
	printf("a*a-b*b=%7.2f\n",sa);
	return 0;
}