#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("\n0utput : %.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("\n0utput : %.1f", c);
	}
}