#include <stdio.h>

int main(void) {
	int n1 = 1, n3 = 2;
	double n2 = 1.5, n4 = 2.5;


	printf("%lf %d\n", (n2 + n4), (n2 + n4));
	printf("%d %lf\n", (n2 + n4), (n2 + n4));
	printf("%d %d %lf\n", (n2 + n4), (n2 + n4)); // just for your interest

	
	return 0;
}