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