#include <stdio.h>
main(){
	int a;
	printf("input number = ");
	scanf("%d",&a);
	if(a==0){
		
		printf("-----programaddition-----\n");
		float A,B,C;
		printf("input A :");
		scanf("%f",&A);
		printf("input B :");
		scanf("%f",&B);
		C=A+B;
		printf("a+b=c");
		printf("Result :%.2f",C);
		
		
	
    }
    else{
	
	printf("-----delition-----\n");
	float A,B,C;
	printf("input A :");
		scanf("%f",&A);
		printf("input B :");
		scanf("%f",&B);
		C=A-B;
		printf("A-B=C");
		printf("Result :%.2f",C);
	}
	
}