#include <stdio.h>
#include <stdlib.h>

int main()
{
    char op;
    float x,y,z;
        printf("Introduceti valoarea lui x: ");
        scanf("%f",&x);
        printf("Introduceti valoarea lui y: ");
        scanf("%f",&y);
        printf("Selectati valoarea operatorului (+,-,*,/):");
        scanf("%c",&op);
        op=getchar();
        if (op == '+') z = x + y;
        else
        if (op == '-') z = x - y;
        else
        if (op == '*') z = x * y;
        else
        if (op == '/') z = x / y;
        else printf("Operator incorect!");
        printf("\n%.3f %c %.3f = %.3f",x,op,y,z);
    return 0;
}