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

int main()
{
    float a,b;
    printf("Unesite dva realna broja:");
    scanf("%f%f",&a,&b);

    int x;
    printf("Unesi:");
    scanf("%d",&x);
    switch(x){
    case 1:
        printf("%f+%f=%f",a,b,a+b); break;
    case 2:
        printf("%f-%f=%f",a,b,a-b); break;
    case 3:
        printf("%f*%f=%f",a,b,a*b); break;
    case 4:
        printf("%f/%f=%f",a,b,a/b); break;
    case 5:
        printf("%f*%f=%f",a,a*a); break;
    case 6:
        printf("%f*%f*%f=%f",b,b*b*b);
    }
    return 0;
}