Sum_and_Difference_of_Two_Numbers.c

#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\n",c+d,c-d);  //.1f rounded to one decimal place
    
    return 0;
}