#include<stdio.h>
int main(){
	char op;
	double n1,n2;
	printf("\nEnter an operator(+,-,*,/): \n");
	scanf("%c",&op);
	printf("\nEnter two operands:\n");
	scanf("%lf %lf",&n1,&n2);
	switch(op)
	{
		case'+':
			printf("%.lf + %.1lf = %.1lf",n1,n2,n1+n2);
			break;
			case'-':
				printf("%.1lf - %.1lf = %.1lf",n1,n2,n1-n2);
				break;
				case'*':
					printf("%.1lf * %.1lf = %.1lf",n1,n2,n1*n2);
					break;
					case'/':
						printf("%.1lf / %.1lf = %.1lf",n1,n2,n1/n2);
						break;
					//operator doesn't match any case constant +,-,*,/
					default:
					printf("Error ! operator is not correct");
					
	}
	return 0;
}