Sum and Difference of Two Numbers (Easy)

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

int main()
{
	int a,b;
    float c,d;

    scanf("%d %d", &a, &b);
    scanf("%f %f", &c, &d);

    printf("%d %d\n", (a+b), (a-b));
    printf("%.1f %.1f", (c+d), (c-d));
    return 0;
}