#include <stdio.h>
#include <conio.h>
main()
{
 int a;
 printf("input number = ");
 scanf("%d",&a);
 if(a==0){
 	printf("\n---------- Program : addition ----------\n");
 	float a,b,c;
 	printf("\nInput A : ");
    scanf("%f",&a);
    printf("\nInput B : ");
    scanf("%f",&b);
    c=a+b;
    printf("\nOutput : %.1f", c);
 }
 else{
       float a,b,c;
       printf("\n---------- Program : Deletetion ----------\n");
    printf("\nInput A : ");
    scanf("%f",&a);
    printf("\nInput B : ");
    scanf("%f",&b);
    c=a-b;
    printf("\nOutput : %.1f", c);
    }
}