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